Rapid Review Flashcards
Classic ECG findings in atrial flutter
“Sawtooth” P waves
Definition of unstable angina
Angina that is new or worsening with no increase in troponin level
Antihypertensive for a diabetic patient with proteinuria
Angiotensin-converting enzyme inhibitor
Beck’s triad for cardiac tamponade
- Hypotension
- Distant heart sounds
- Jugular venous distension (JVD)
Drugs that slow heart rate
- Beta-blockers
- Calcium channel blockers (CCBs)
- Digoxin
- Amiodarone
Hypercholesterolemia treatment that leads to flushing and pruritus
Niacin
Murmur-hypertrophic obstructive cardiomyopathy
A systolic ejection murmur heard along the lateral sternal border that increases with decreased preload (Valsalva maneuver)
Murmur-aortic insufficiency
Austin Flint murmur, a diastolic, decrescendo, low-pitched, blowing murmur that is best heard sitting up; increases with increased afterload (handgrip maneuver)
Murmur-mitral regurgitation
A holosystolic murmur that radiates to the axilla; increases with increased after load (handgrip maneuver)
Murmur-aortic stenosis
A systolic crescendo/decrescendo murmur that radiates to the neck; increases with increased preload (squatting maneuver)
Murmur-mitral stenosis
A diastolic, mid-to late, low-pitched murmur preceded by an opening snap
Treatment for atrial fibrillation and atrial flutter
If unstable –> cardiovert
If stable or chronic –> rate control with CCBs or Beta-blockers
Treatment for ventricular fibrillation
Immediate cardioversion
Dressler syndrome
An autoimmune reaction with fever, pericarditis and increased ESR occurring 2-4 weeks post MI
IV drug use with JVD and a holosystolic murmur at the left sternal border. Treatment?
Treat existing heart failure and replace the tricuspid valve.
Diagnostic test for hypertrophic cardiomyopathy
Echocardiogram (showing a thickened left ventricular wall and outflow obstruction).
Pulsus paradoxus
A decrease in systolic BP of >10 mmHg with inspiration; seen in cardiac tamponade
Classic ECG findings in pericarditis
Low-voltage, diffuse ST-segment elevation
Eight surgically correctable causes of hypertension
- Renal artery stenosis
- Coarctation of the aorta
- Pheochromocytoma
- Conn syndrome
- Cushing syndrome
- Unilateral renal parenchymal disease
- Hyperthyroidism
- Hyperparathyroidism
Evaluation of a pulsatile abdominal mass and bruit
Abdominal ultrasound and CT
Indications for surgical repair of abdominal aortic aneurysm
- > 5.5 cm
- rapidly enlarging
- symptomatic, or ruptured
Treatment for acute coronary syndrome
- ASA
- Heparin
- Clopidogrel
- Morphine
- O2
- sublingual Nitroglylcerin
- IV beta-blockers
Metabolic syndrome
- Abdominal obesity
- High triglycerides
- Low HDL
- Hypertension
- Insulin resistance
- Prothrombotic or pro-inflammatory state
Appropriate diagnostic test?
A 50-year-old man with stable angina can exercise to 85% of maximum predicted heart rate.
Exercise stress treadmill with ECG
Appropriate diagnostic test?
A 65-year-old woman with left bundle branch block and severe osteoarthritis has unstable angina
Pharmacologic stress test (eg, dobutamine echo).
Signs of active ischemia during stress testing
- Angina
- ST-segment changes on ECG
- Decreased blood pressure
ECG findings suggesting MI
- ST-segment elevation (depression means ischemia)
- Flattened T-waves
- Q waves
Coronary territories in MI:
- Anterior wall
- Inferior wall
- Posterior wall
- Septum
- LAD/diagonal
- PDA
- Left circumflex/oblique, RCA/marginal
- LAD/diagonal
A young patient with angina at rest and ST-segment elevation with normal cardiac enzymes
Prinzmetal angina
Common symptoms associated with silent MIs
- CHF
- Shock
- Altered mental status
Diagnostic test for pulmonary embolism
Spiral CT with contrast
Protamine
Reverses the effects of heparin
Prothrombin time
The coagulation parameter affected by warfarin
A young patient with a family history of sudden death collapses and dies while exercising.
Hypertrophic cardiomyopathy
Endocarditis prophylaxis regimens:
- Oral surgery
- GI or GU procedures
- Amoxicillin for certain situations
2. Not recommended
Virchow triad
- Stasis
- Hypercoagulability
- Endothelial damage
The most common cause of hypertension in young women
OCPs
The most common cause of hypertension in young men
Excessive EtOH
Figure 3 sign
Aortic coarctation
Water bottle-shaped heart
Pericardial effusion. Look for pulsus paradoxus.
“Stuck-on” waxy appearance
Seborrheic keratosis
Red plaques with silvery-white scales and sharp margins
Psoriasis
The most common type of skin cancer; the lesion is a pearly-colored papule with a translucent surface and telangiectasia
Basal cell carcinoma
Honey-crusted legions
Impetigo
A febrile patient with a history of diabetes presents with a red, swollen, painful lower extremity
Cellulitis
+ Nikolsky sign
Pemphigus vulgaris
- Nikolsky sign
Bullous pemphigoid
A 55-year-old obese patient presents with dirty, velvety patches on the back of the neck.
Acanthosis nigricans. Check fasting blood glucose to rule out diabetes.
Dermatomal distribution
Varicella zoster
Flat-topped papules
Lichen planus
Irislike target lesions
Erythema multiforme
A lesion occurring in a geometric pattern in areas where skin comes into contact with clothing or jewelry.
Contact dermatitis
Presents with one large patch and many smaller ones in a treelike distribution
Pityriasis rosea
Flat, often hypo pigmented lesions on the chest and back; KOH prep has a “spaghetti-and-meatballs” appearance
Tinea (pityriasis) versicolor
Five characteristics of a nevus suggestive of melanoma
- Asymmetry
- Border irregularity
- Color variation
- Large diameter
- Changing appearance
A premalignant lesion from sun exposure the can lead to squamous cell carcinoma
Actinic keratosis
Crusting vesicles in all stages of evolution on entire body
Lesions of primary varicella
“Cradle cap”
Seborrheic dermatitis. Treat conservatively with bathing and moisturizing agents.
Associated with Propionibacterium acnes and changes in androgen levels, and the treatment of last resort
Acne vulgaris. Last-resort treatment is oral isotretinoin (requires monthly blood tests)
A painful, recurrent vesicular eruption of mucocutaneous surfaces
Herpes simplex
Inflammation and epithelial thinning of the anogenital area, predominantly in postmenopausal women
Lichen sclerosis
Exophytic nodules on the skin with scaling or ulceration; the second most common type of skin cancer
Squamous cell carcinoma
The most common cause of hypothyroidism
Hashimoto thyroiditis
Lab findings in Hashimoto thyroiditis
- High TSH
- Low T4
- Antibodies to thyroid peroxidase (TPO)
Exophthalmos, pretibial myxedema and decreased TSH
Graves disease
The most common cause of Cushing syndrome
Iatrogenic corticosteroid administration. The second most common cause is Cushing disease
A patient post-thyroidectomy presents with signs of hypocalcemia and increase phosphorus
Hypoparathyroidism (iatrogenic)
“Stones, bones, groans, psychiatric overtones”
Signs and symptoms of hypercalcemia
Hypertension, hypokalemia, and metabolic alkalosis
Primary hyperaldosteronism (due to Conn syndrome or bilateral adrenal hyperplasia)
A patient presents with tachycardia, wild swings in BP, headache, diaphoresis, altered mental status and a sense of panic
Pheochromocytoma
Which should be used first in treating pheochromocytoma, alpha-antagonist or beta-antagonists?
Alpha-antagonists (Phenoxybenzamine)
A patient with a history of lithium use presents with copious amounts of dilute urine
Nephrogenic diabetes insipidus (DI)
Treatment of central DI
Administration of DDAVP and free-water restriction
A post-operative patient with significant pain presents with hyponatremia and normal volume status
Syndrome of inappropriate antidiuretic hormones (SIADH) due to stress
An anti diabetic agent with lactic acidosis
Metformin
A patient presents with weakness, nausea, vomiting, weight loss, and new skin pigmentation. Lab results show hyponatremia and hyperkalemia. Treatment?
Primary adrenal insufficiency (Addison disease). Treat with glucocorticoids, mineralocorticoids, and IV fluids
Goal HbA1c for a patient with diabetes mellitus (DM)
<7.0%
Treatment for DKA
Fluids, insulin, and electrolyte repletion (eg, K+)
Bone pain, hearing loss, increased alkaline phosphatase
Paget disease
Increased IGF-1
Acromegaly
Galactorrhea, amenorrhea, bitemporal hemaniopsia
Prolactinoma
Increased serum 17-hydroxyprogesterone
Congenital adrenal hyperplasia (21-hydroxylase deficiency)
Pancreas, pituitary parathyroid tumors
Multiple endocrine neoplasia type 1 (MEN 1)
How do you interpret the following 95% confidence interval (CI) for a relative risk (RR) of 0.582: 95% CI 0.502, 0.673?
These data are consistently with RRs ranging from 0.502 to 0.672 with 95% confidence (ie, we are confident that, 95 out of 100 times, the true RR will be between 0.502 and 0.673).
Bias introduced into a study when a clinician is aware of the patient’s treatment type.
Observational bias
Bias introduced when screening detects a disease earlier and thus lengthens the time from diagnosis to death, but does not improve survival.
Lead-time bias
If you want to know if geographic location affects infant mortality rate but most variation in infant mortality is predicted by socioeconomic status, then socioeconomic status is a
Confounding variable
The proportion of people who have the disease and test + is the
Sensitivity
Sensitive test have few false -s and are used to rule __ a disease.
OUT
PPD reactivity is used as a screening test because most people with TB (except those who are anergic) will have a + PPD. Highly sensitive or specific?
Highly sensitive for TB. Screening test with high sensitivity are good for disease with low prevalence.
Chronic disease such a systemic lupus erythematous_higher prevalence or incidence?
Higher prevalence
Epidemics such as influenza- high prevalence or incidence?
Higher incidence
What is the difference between incidence and prevalence?
Prevalence is the percentage of cases of disease in a population at one point in time. Incidence is the percentage of new cases of disease that develop over a given time period among the total population at risk. (Prevalence=Incidence x Duration)
Cross-sectional survey–incidence or prevalence?
Prevalence
Cohort study—incidence or prevalence?
Incidence and prevalence
Case-control study—incidence or prevalence?
Neither
Describe a test that consistently gives identical results, but the results are wrong.
High reliability (precision), low validity (accuracy).
Difference between a cohort and a case-control study.
Cohort divides groups by an exposure and looks for development of disease. Case-Control divides groups by a disease and assigns controls, and then goes back and looks for exposures.
Attributable risk?
The difference in risk in the exposed and unexposed groups (ie, the risk that is attributable to the exposure)
Relative risk?
Incidence in the exposed group divided by the incidence in the nonexposed group.
The results of a hypothetical study found an association
between ASA intake and risk of heart disease. How do you interpret an RR of 1.5?
In patients who took ASA, the risk of heart disease was 1.5 times that of patients who did not take ASA.
Odds ratio in cohort studies?
In cohort studies, the odds of developing the disease in the exposed group divided by the odds of developing the disease in the nonexposed group.
Odds ratio in case-control studies?
In case-control studies, the odds that the cases were exposed divided by the odds that the controls were exposed.
Odds ratio in cross-sectional studies?
In cross-sectional studies, the odds that the exposed group has the disease divided by the odds that the non exposed group has the disease.
The most common cancer in men and the most common cause of death from cancer in men.
Prostate cancer is the most common cancer in men, but lung cancer causes more deaths.
The percentage of cases within 1 standard deviation (SD) of the mean? 2 SDs? 3 SDs?
68%, 95.4%, 99.7%
Birth rate?
Number of live births per 1000 population in 1 year.
Mortality rate?
Number of deaths per 1000 population in 1 year
Neonatal mortality rate?
Number of deaths from birth to 28 days per 1000 live births in 1 year.
Infant mortality rate?
Number of deaths from birth to 1 year of age per 1000 live births (neonatal + postnatal mortality) in 1 year.
Maternal mortality rate?
Number of deaths during pregnancy to 90 days postpartum per 100, 000 live births in 1 year.
True or False: Once patients sign a statement giving consent they must continue treatment.
False. Patients may change their minds at any time. Exceptions to the requirement of informed consent include emergency situations and patients without decision-making capacity.
A 15-year-old pregnant girl requires hospitalization for preeclampsia. Is parental consent required?
No. Parental consent is not necessary for the medical treatment of pregnant minors.
A doctor refers a patient for an MRI at a facility he/she owns.
Conflict of interest
Involuntary psychiatric hospitalization can be undertaken for which three reasons?
- Danger to self
- Danger to others
- Gravely disabled (unable to provide for basic needs)
True or False: It is more difficult to justify the withdrawal of-care than to have withheld the treatment in the first place.
False. Withdrawing non-beneficial treatment or treatment a patient no longer wants is ethically equivalent to withholding care.
A mother refuses to allowed her child to be vaccinated
A parent has the right to refuse treatment for his/her child as long as it does not pose a serious threat to the well-being of the child.
When can a physician refuse to continue treating a patient on the grounds of futility?
When there is no rationale for treatment, maximal intervention is failing, a given intervention has already failed, and treatment will not achieve the goals of care.
An 8-year-old child is in a serious accident. She requires emergent transfusion, but her patients are not present.
Treat immediately. Consent is implied in emergency situation.
A 15-year-old girl seeking treatment for an STD asks that her parents not be told about her condition.
Minors may consent to care for STDs without parental consent or knowledge.
Conditions in which confidentiality must be overridden.
Real threat of harm to third parties; suicidal intentions; certain contagious disease; elder and child abuse.
Involuntary commitment or isolation for medical treatment may be undertaken for what reason?
When treatment noncompliance represents a serious danger to public health (eg, active TB).
A 10-year-old child presents in status epileptics, but her parents refuse treatment on religious grounds.
Treat because the disease represents an immediate threat to the child’s life. Then seek a court order.
A son asks that his mother not be told about her recently discovered cancer.
A physician can withhold information from the patient only in the rare case of therapeutic privilege or if the patient requests not to be told.
A patient presents with sudden onset of severe, diffuse abdominal pain. Examination reveals peritoneal signs, and abdominal radiograph reveals free air under the diaphragm. Management?
Emergent laparotomy to repair a perforated viscus.
The most likely cause of acute lower GI bleeding in patients >40 years of age.
Diverticulosis
Diagnostic modality used when ultrasonography is equivocal for cholecystitis?
Hepatobiliary iminodiacetic acid (HIDA) scan
Risk factors for cholelithiasis
Fat, female, fertile, forty, flatulent
Inspiratory arrest during palpation of the RUQ
Murphy sign, seen in acute cholecystitis
The most common cause of small-bowel obstruction (SBO) in patients with no history of abdominal surgery.
Hernia
The most common cause of SBO in patients with a history of abdominal surgery.
Adhesions
What is the key organism likely causing diarrhea:
Most common bacterial organism
Campylobacter
What is the key organism likely causing diarrhea:
Recent antibiotic use
Clostridium difficile
What is the key organism likely causing diarrhea:
Camping
Giardia
What is the key organism likely causing diarrhea:
Traveler’s diarrhea
Enterotoxigenic Escherichia coli (ETEC)
What is the key organism likely causing diarrhea:
Church picnics/mayonnaise
S aureus
What is the key organism likely causing diarrhea:
Uncooked hamburgers
E coli O157:H7
What is the key organism likely causing diarrhea:
Fried rice
Bacillus cereus
What is the key organism likely causing diarrhea:
Poultry/eggs
Salmonella
What is the key organism likely causing diarrhea:
Raw seafood
Vibrio, hepatitis A virus (HAV)
What is the key organism likely causing diarrhea:
AIDS
Isospora, Cryptosporidium, Mycobacterium avian complex (MAC)
What is the key organism likely causing diarrhea:
Pseudoappendicitis
Yersinia, Campylobacter
A 25-year-old Jewish man presents with pain and watery diarrhea after meals. Examination shows fistulas between the bowel and skin and nodular lesions on his tibias.
Crohn disease
Inflammatory disease of the colon with an increased risk of colon cancer
Ulcerative colitis (greater risk than Crohn)
Extraintestinal manifestations of IBD
Uveitis, ankylosing spondylitis, pyoderma gangrenous, erythema nodosum, primary sclerosing cholangitis
Medical treatment for IBD
5-ASA agents and steroids during acute exacerbations
A 30-year-old man with ulcerative colitis presents with fatigue, jaundice and pruritus
Primary sclerosing cholangitis
Difference between Mallory-Weiss and Boerhaave tears.
Mallory-Weiss: superficial tear in the esophageal mucosa;
Boerhaave: full thickness esophageal rupture
Charcot triad
- Fever/Chills
- Jaundice
- RUQ pain
Reynolds pentad
1-3. Charcot triad (fever/chills, jaundice, RUQ pain)
- Hypotension
- Mental status change
Medical treatment for hepatic encephalopathy
Decreased protein intake, lactulose, rifaximin
The first step in the management of a patient with an acute GI bleeding episode.
Manage ABCs
A 4-year-old child presents with oliguria, petechiae, and jaundice following an illness with bloody diarrhea. Most likely diagnosis and cause?
Hemolytic-uremic syndrome (HUS) due to E coli O157:H7
Treatment after exposure to hepatitis B virus (HBV).
HBV Immunoglobulin
Classic causes of drug-induced hepatitis.
TB medications (INH, rifampin, pyrazinamide), acetaminophen and tetracycline
A 40-year-old obese woman with elevated alkaline phosphatase, elevated bilirubin, pruritus, dark urine and clay-colored stools.
Biliary tract obstruction
Hernia with highest risk of incarceration–indirect, direct or femoral?
Femoral hernia
Severe abdominal pain out of proportion to the examination
Mesenteric ischemia
Diagnosis of ileus
Abdominal radiographs (could also perform CT scan).
A 50-year-old man with a history of alcohol abuse presents with boring epigastric pain that radiates to the back and is relieved by sitting forward. Management?
Confirm the diagnosis of acute pancreatitis with increase amylase and lipase. Make the patient NPO and give IV fluids, O2, analgesia, and “tincture of time”.
Colon cancer region based on symptoms:
- Anemia of chronic disease, occult blood loss, vague abdominal pain
- Obstructive symptoms, change in bowel movements
- Right sided: rare to have an obstruction
2. Left-sided: “apple-core” lesion
Presents with watery diarrhea, dehydration, muscle weakness and flushing.
VIPoma (replace fluids and electrolytes, may need to surgically resect tumor or use octreotide)
Presents with palpable, nontender gallbladder
Courvoisier sign (suggests pancreatic cancer)
Four causes of microcytic anemia
TICS-Thalassemia, Iron deficiency, anemia of Chronic disease and Sideroblastic anemia
An elderly man with hypochromic, microcytic anemia is asymptomatic. Diagnostic tests?
Fecal occult blood test and sigmoidoscopy; suspect colorectal cancer
Precipitants of hemolytic crisis in patient with G6PD deficiency
Sulfonamides, antimalarial drugs, fava beans
The most common inherited cause of hypercoagulability
Factor V Leiden mutation
The most common inherited hemolytic anemia
Hereditary spherocytosis
Diagnostic test for hereditary spherocytosis
Osmotic fragility test
Pure RBC aplasia
Diamond-Blackfan anemia
Anemia associated with absent radii and thumbs, diffuse hyperpigmentation, cafe au lait spots, microcephaly and pancytopenia.
Fanconi anemia
Medications and viruses that lead to aplastic anemia
- Chloramphenicol
- Sulfonamides
- Radiation
- Chemotherapeutic agents
- HIV
- Hepatitis
- Parvovirus B19
- EBV
How to distinguish polycythemia vera from secondary polycythemia
Both have increased hematocrit and RBC mass, but polycythemia vera should have normal O2 saturation and low erythropoietin levels.
Thrombotic Thrombocytopenic Purpura (TTP) pentad?
“FAT RN”: Fever, Anemia, Thrombocytopenia, Renal dysfunction, Neurologic abnormalities
Hemolytic uremic syndrome (HUS) triad?
- Anemia
- Thrombocytopenia
- Acute renal failure
Treatment for TTP
- Emergent large-volume plasmapheresis
- Corticosteroids
- Antiplatelet drugs
Platelet transfusion is CONTRAINDICATED!!!!
Treatment for idiopathic thrombocytopenic purpura (ITP) in children.
Usually resolves spontaneously; may require IVIG and/or corticosteroids
Which of the following are increased in DIC: fibrin split products, D-dimer, fibrinogen, platelets and hematocrit?
Increased: Fibrin split products and D-dimer
Decreased: Platelets, fibrinogen and hematocrit
An 8-year-old boy presents with hemarthrosis and increased PTT with normal PT and bleeding time. Diagnosis? Treatment?
Hemophilia A or B; consider desmopressin (for hemophilia A) or factor VIII or IX supplements.
A 14-year-old girl presents with prolonged bleeding after dental surgery and with menses, normal PT, normal or increase PTT, and increased bleeding time. Diagnosis? Treatment?
von Willebrand disease; treat with desmopressin, FFP or cryoprecipitate
A 60-year-old African American man presents with bone pain. What might a workup for multiple myeloma reveal?
Monoclonal gammopathy, Bence Jones proteinuria, and “punched-out” lesions on radiographs of the skull and long bones
Reed-Sternberg cells
Hodgkin lymphoma
A 10-year-old boy presents with fever, weight loss, and night sweats. Examination shows an anterior mediastinal mass. Suspected diagnosis?
Non-hodgkin lymphoma
Microcytic anemia with decreased serum iron, decreased total iron-binding capacity (TIBC) and normal or increased ferritin
Anemia of chronic disease
Microcytic anemia with decreased serum iron, decreased ferritin and increased TIBC
Iron-deficiency anemia
An 80-year-old man presents with fatigue. lymphadenopathy, splenomegaly and isolated lymphocytosis. What is the suspected diagnosis?
Chronic lymphocytic leukemia (CLL)
Patient with fatigue is found to have a decreased hemoglobin and increased mean corpuscular volume. What are potential causes for this anemia?
Decreased B12 (pernicious anemia, vegetarian diet, Crohn/GI disorders) or folate (alcoholics).
A late, life-threatening complication of chronic myelogenous leukemia (CML).
Blast crisis (fever, bone pain, splenomegaly, pancytopenia)
Auer rods on blood smear.
Acute myelogenous leukemia (AML)
AML subtype associated with DIC. Treatment?
M3. Retinoic acid.
Electrolyte changes in tumor lysis syndrome
Decreased 1. Ca2+ Increased 2. K+ 3. Phosphate 4. Uric acid
A 50-year-old man presents with early satiety, splenomegaly, and bleeding . Cytogenetics show t(9,22). Diagnosis?
CML
A patient on the chemotherapy service with an absolute neutrophil count (ANC) of 1000 is noted to have a fever of 38.8C (102.1 F). Next best step?
Neutropenic fever is a medical emergency. Start broad-spectrum antibiotics.
Virus associated with aplastic anemia in patients with sickle cell anemia
Parvovirus B19.
A 25-year-old African American man with sickle cell anemia has sudden onset of bone pain. Management of pain crisis?
O2, analgesia, hydration, and if severe, transfusions
A significant cause of morbidity in thalassemia patients. Treatment?
Iron overload; use deferoxamine
The three most common causes of fever of unknown origin (FUO).
- Infection
- Cancer
- Autoimmune disease
Four signs and symptoms of streptococcal pharyngitis
- Fever
- Tender anterior cervical lymphadenopathy
- Tonsillar exudate
- Lack of cough
A nonsuppurative complication of streptococcal infection that is not altered by treatment of primary infection
Postinfectious glomerulonephritis
The most common predisposing factor for acute sinusitis
Viral URI
Asplenic patients are particularly susceptible to these organisms
Encapsulated organisms
- pneumococcus
- meningococcus
- Haemophilus influenzae
- Klebsiella
The number of bacteria needed on a clean-catch specimen to diagnose a UTI
10^5 bacterial/mL
Which healthly population is susceptible to UTIs?
Pregnant women. Treat this group aggressively because of high risk of complications
A patient from california or Arizona presents with fever, malaise, cough, and nigh sweats. Diagnosis? Treatment?
Coccidioidomycosis; amphotericin B
Nonpainful chancre
Primary syphillis
A “blueberry muffin” rash is characteristic of what congenital infection?
Rubella
Meningitis in neonates. Causes? Treatment?
Group B strep (GBS), E coli, Listeria. Treat with gentamicin and ampicillin.
Meningitis in infants. Causes? Treatment?
Pneumococcus, meningococcus, H influenza. Treat with cefotaxime and vancomycin.
What should always be done prior to LP?
Check for increased ICP; look for papilledema
CSF findings:
Low glucose, PMN predominance
Bacterial meningits
CSF findings:
Normla glucose, lymphocytic predominance
Aseptic (viral) meningitis
CSF findings:
Numerous RBCs in serial CSF samples
Subarachnoid hemorrhage (SAH)
CSF findings:
Increased gamma globulins
Multiple Sclerosis (MS)
Initially presents with a pruritic papule with regional lymphadenopathy; evolves into a black eschar after 7-10 days. Treatment?
Cutaneous anthrax. Treat with penicillin G or ciprofloxacin.
Findings in tertiary syphillis.
- Tabes dorsalis
- General paresis
- Gummas
- Argyll Robertson pupil
- Aortitis
- Aortic root aneurysms
Characteristics of secondary Lyme disease
- Arthralgias
- Migratory polyarthropathies
- Bell palsy
- Myocarditis
Cold agglutinins
Mycoplasma.
A 24-year-old man presents with soft white plaques on his tongue and the back of his throat. Diagnosis? Workup? Treatment?
Candidal thrush. Workup should include an HIV test. Treat with nystatin oral suspension.
At what CD4 counts should Pneumocystis jiroveci pneumonia prophylaxis be initiated in an HIV-positive patient? Mycobacterium avium-complex (MAC) prophylaxis?
= 200 for P jiroveci (with TMP-SMX); = 50-100 for Mac (with clarithromycin/azithromycin)
Risk factors for pyelonephritis
- Pregnancy
- Vesicoureteral reflux
- Anatomic anomalies
- Indwelling catheters
- Kidney stones
Neutropenic nadir postchemotherapy.
7-10 days
Erythema migrans
Lesion of primary Lyme disease
Classic physical findings for endocarditis
- Fever
- Heart murmur
- Osler nodes
- Splinter hemorrhages
- Janeway lesions
- Roth spots
Aplastic crisis in sickle cell disease.
Parvovirus B19
Name the organism:
Branching rods in oral infection
Actinomyces israelii
Name the organism:
Weakly gram+, partially acid-fast in lung infection
Nocardia asteroides
Name the organism:
Painful chancroid
Haemophilus ducreyi
Name the organism:
Dog or cat bite
Pasteurella multocida
Name the organism:
Gardener
Sporothrix schenckii
Name the organism:
Raw pork and skeletal muscle cysts
Trichinella spiralis
Name the organism:
Sheepherders with liver cysts
Echinococcus granulosus
Name the organism:
Perianal itching
Enterobius vermicularis
Name the organism:
Pregnant women with pets
Toxoplasma gondii
Name the organism:
Meningitis in adults
Neisseria meningitidis
Name the organism:
Meningitis in elderly
Steptococcus pneumoniae
Name the organism:
Meningoencephalitis in AIDs patients
Cryptococcus neoformans
Name the organism:
Alcoholic with pneumonia
Klebsiella
Name the organism:
“Currant jelly” sputum
Klebsiella
Name the organism:
Malignant external otitis
Pseudomonas
Name the organism:
Infection in burn victims
Pseudomonas
Name the organism:
Osteomyelitis from a foot wound puncture
Psuedomonas
Name the organism:
Osteomyelitis in a sickle cell patient
Salmonella
A 55-year-old man who is a smoker and a heavy drinker presents with a new cough and flulike symptoms. Gram stain shows no organisms; silver stain of sputum shows gram - rods. What is the diagnosis?
Legionella pneumonia
A middle-aged man presents with acute-onset monoarticular joint pain and bilateral Bell palsy. What is the likely diagnosis and how did he get it? Treatment?
Lyme disease, Ixodes tick, doxycycline.
A patient develops endocarditis 3 weeks after receiving a prosthetic heart valve. What organism is suspected?
S. aureus or Staphylococcus epidermidis
A patient develops endocarditis in a native valve after having a dental cleaning. What organism is suspected?
Streptococcus viridians.
Back pain that is exacerbated by standing and walking and relieved with sitting and hyperflexion of the hips
Spinal stenosis
Joints in the hand affected in rheumatoid arthritis.
MCP and PIP joints; DIP joints are spared.
Joint pain and stiffness that worsen over the course of the day and are relieved by rest.
Osteoarthritis
A genetic disorder that is associated with multiple fractures and blue sclerae and its commonly mistaken for child abuse.
Osteogenesis imperfecta
Hip and back pain along with stiffness that improves with activity over the course of the day and worsens at rest. Diagnostic test?
Suspect ankylosing spondylitis. Check HLA-B27
Arthritis, conjunctivitis and urethritis in young men. Associated organisms?
Reactive arthritis. Most common associated with Chlamydia. Also consider Campylobacter, Shigella, Salmonella, and Ureaplasma.
A 55-year-old man has sudden, excruciating first MTP joint pain after a night of drinking red wine. Diagnosis, workup and chronic treatment.
Gout. Needle-shaped, negatively birefringent crystals are seen on joint fluid aspirate. Chronic treatment with allopurinol or probenecid.
Rhomboid-shaped, positively birefringent crystal on joint fluid aspirate.
Psuedogout
An elderly woman presents with pain and stiffness of the shoulders and hips; she cannot life her arms above her head. Labs show anemia and increased ESR.
Polymyalgia rheumatica
Bone is fractured in a fall on an outstretched hand.
Distal radius (Colles fracture)
A complication of scaphoid fracture.
Avascular necrosis
Signs suggesting radial nerve damage with humeral fracture
Wrist drop, loss of them abduction.
The most common primary malignant tumor of bone
Multiple myeloma
Headache, soreness in jaw, pain on scalp, transient monocular blindness
Giant cell arteritis
Unilateral, severe periorybital headache with tearing and conjunctival erythema
Cluster headache
Prophylactic treatment for migraine
Antihypertensives, antidepressants, anticonvulsants, dietary changes
The most common pituitary tumor. Treatment?
Prolactinoma. Dopamine agonists (eg, bromocriptine).
A 55-year-old patient presents with acute “broken speech” What type of aphasia? What lobe and vascular distribution?
Broca aphasia, frontal lob, left MCA distribution
The most common cause of subarachnoid hemorrhage (SAH).
Trauma; the second most common is berry aneurysm
A crescent-shaped hyperdensity on CT that does not cross the midline
Subdural hematoma-bridging veins torn
A history significant for initial altered mental status with an intervening lucid interval. Diagnosis? Most likely source? Treatment?
Epidural hematoma. Middle meningeal artery. Neurosurgical evacuation.
CSF findings with SAH.
Increased ICP, RBCs, xanthochromia.
Albuminocytologic dissociation
Guillan-Barre syndrome (increase protein in CSF without a significant increase in cell count)
Cold water is flushed into a patients’ ear, and the fast phase of the nystagmus is toward two opposite side. Normal or pathologic?
Normal.
The most common primary sources of metastases to the brain.
Lungs, breast, skin (melanoma), kidney, GI tract
May be seen in children who are accused of inattention in class and are often confused with ADHD.
Absence seizures.
The most frequent presentation of intracranial neoplasm.
Headache. Primary neoplasms are much less common than brain metastases.
The most common cause of seizures in children (2-10 years).
- Infection
- Febrile seizures
- Trauma
- Idiopathic
The most common cause of seizures in young adults (18-35 years).
- Trauma
- Alcohol withdrawal
- Brain tumor
First line medication for status epilepticus
IV benzodiazipine
Confusion, ophthalmoplegia, ataxia
Wernicke encephalopathy due to a deficiency of thiamine
What % lesion in a symptomatic patient is an indication for carotid endarterectomy?
70%
The most common causes of dementia.
Alzheimer disease and vascular/multi-infarct
A combined upper motor neuron (UMN) and lower motor neuron (LMN) disorder
Amotrophilc lateral sclerosis (ALS)
Rigidity and stiffness with unilateral resting tremor and masked facies
Parkinson disease
The mainstay of Parkinson therapy
Levodopa/carbidopa
Treatment for Guillan-Barre syndrome
IVIG or plasmapheresis. Avoid steroids.
Rigidity and stiffness that progress to choreiform movements, accompanied by moodiness and altered behavior
Huntington disease
A 6-year-old girl presents with a port-wine stain in the V1 distribution as well as with intellectual disability, seizures and ipsilateral leptomeningeal angioma
Sturge-Weber syndrome. Treat symptomatically. Possible focal cerebral resection of the affected lobe.
Multiple cafe au last spots on skin
Neurofibromatosis type 1
Hyperphagia, hyper sexuality, hyperorality and hyperdocility
Kluver-Bucy syndrome (amygdala)
May be administered to a symptomatic patient to diagnose myasthenia graves
Edrophonium
Primary causes of their-trimester bleeding.
Placental abruption
Classic ultrasonography and gross appearance of complete hydatidiform mole
Snowstorm on ultrasonography. “Cluster-of-grapes” appearance on gross examination.
Chromosomal pattern of a complete mole
46, XX
Molar pregnancy counting fetal tissue
Partial mole
Symptoms of placental abruption
Continuous, painful vaginal bleeding
Symptoms of placenta previa
Self-limited, painless vaginal bleeding
When should a vaginal exam be performed with suspected placenta previa?
Never.
Antibiotics with teratogenic effects.
Tetracylcine, fluroquinolones, aminoglycosides, sulfonamides
Medication given to accelerate fetal lung maturity.
Betamethasone or dexamethasone x 48 hours.
The most common cause of postpartum hemorrhage.
Uterine atony
Treatment for postpartum hemorrhage
Uterine massage; if that fails give oxytocin
Typical antibiotics for group B streptococcus (GBS) prophylaxis
IV penicillin or ampicillin
A patient fails to lactate after an emergency C-section with marked blood loss.
Sheehan syndrome (post-partum pituitary necrosis)
Uterine bleeding at 18 weeks’ gestation; no products expelled; cervical os open
Inevitable abortion
Uterine bleeding at 18 weeks gestation; no products expelled; cervical os closed
Threatened abortion
The first test to perform when a woman presents with amenorrhea.
Beta-hCG; the most common cause of amenorrhea is pregnancy
Term for heavy bleeding during and between menstrual periods.
Menometrorrhagia
Cause of amenorrhea with normal prolactin, no response to estrogen-progesterone challenge, and a history of D&C.
Asherman syndrome
Therapy for polycystic ovarian syndrome
Weight loss and OCPs. Consider metformin.
Medication used to induce ovulation.
Clomiphene citrate.
Diagnostic step required in a postmenopausal woman who presents with vaginal bleeding.
Endometrial biopsy
Indications for medical treatment of ectopic-pregnancy.
Patient stable; enraptured ectopic pregnancy of <3.5 cm at < 6 weeks gestation
Medical options for endometriosis
- OCPs
- Danazol
- GnRH agonists
Laparoscopic findings in endometriosis
Powder burns, “chocolate cysts”
The most common location for an ectopic pregnancy
Ampulla of the oviduct
How to diagnose and follow a leiomyoma
Ultrasonography
Natural history of a leiomyoma
Regresses after menopause
A patient has increased vagina discharge and petechial patches in the upper vagina and cervix
Trichomonas vaginitis
treatment for bacterial vaginosis
Oral metronidazole
The most common cause of bloody nipple discharge
Intraductal papilloma
Contraceptive methods that protect agains PID.
- OCPs
2. Barrier contraception
Unopposed estrogen is contraindicated in which cancers?
Endometrial or estrogen receptor + breast cancers
A patient presents with recent PID with RUQ pain
Consider Fitz-Hugh-Curtis syndrome
Breast malignancy presenting as itching, burning and erosion of the nipple
Paget disease
Annual screening for women with a strong family history of ovarian cancer.
CA-125 and transvaginal ultrasonography
A 50-year-old woman leaks urine when laughing or coughing. Nonsurgical options?
Kegel exercises, estrogen, pessaries for stress incontinence.
A 30-year-old woman has unpredictable urine loss. Examination is normal. Medical options?
Anticholinergics (eoxybutynin) or beta-adrenergic (metaproterenol) for urge incontinence
Lab values suggestive of menopause
increased serum FSH
The most common cause of female infertility
Endometriosis
Two consecutive findings of atypical squamous cells of undetermined significant (ASCUS) on Pap smear. Follow-up evaluation?
Colposcopy and endocervical curettage
Breast cancer type that increases the future risk of invasive carcinoma in both breasts.
Lobular carcinoma in situ.
Nontender abdominal mass associated with increased vanillylmandelic acid (VMA) and homovanillic acid (HVA)
Neuroblastoma
The most common type of tracheoesophageal fistula (TEF). Classic presentation?
Esophageal atresia with distal TEF (85%). Unable to pass NG tube.
Not contraindications to vaccination
- Mild illness and/or low-grade fever
- Current antibiotic therapy
- Prematurity
Tests to rule out abusive head trauma
- Ophthalmologic exam
- CT
- MRI
A neonate has meconium ileum.
Cystic fibrosis (Hirschsprung disease is associated with failure to pass meconium for 48 hours).
Bilious emesis within hours after the first feeding.
Duodenal atresia
A 2-month old baby presents with non bilious projectile emesis. Diagnosis? What are the appropriate steps in management?
Pyloric stenosis. Hydrate and correct metabolic abnormalities; then correct pyloric stenosis with pyloromyotomy.
The most common primary immunodeficiency
Selective IgA deficiency
An infant has a high fever and onset of rash as fever breaks. What is he at risk for?
Febrile seizures (due to roseola infantum)
What is the immunodeficiency?
A boy has chronic respiratory infections. Nitroblue tetrazolium test is negative.
Chronic granulomatous disease
What is the immunodeficiency?
A child has eczema, thrombocytopenia and high levels of IgA
Wiskott-Aldrich syndrome
What is the immunodeficiency?
A 4-month-old boy has life-threatening pseudomonas infection
Bruton’s X-linked agammaglobulinemia
Acute-phase treatment for Kawasaki disease.
High-dose ASA for inflammation and fever; IVIG to prevent coronary artery aneurysms.
Treatment for mild and severe unconjugated hyperbilirubinemia
Phototherapy (mild) or exchange transfusion (severe). (Do not use phototherapy for conjugated hyperbilirubinemia.)
Sudden onset of mental status changes, emesis and liver dysfunction after ASA intake.
Reye syndrome
A child has loss of red light reflex (white pupil). Diagnosis? The child has an increased risk of what cancer?
Suspect retinoblastoma. Osteosarcoma.
Vaccinations at a 6-month well-child visit.
- HBV
- DTaP
- Hib
- IPV
- PCV
- Rotavirus
Tanner stage 3 in a 6-year old girl.
Precocious puberty
Infection of small airways with epidemics in winter and spring
RSV bronchiolitis
Causes of neonatal RDS.
Surfactant deficiency
Red “currant-jelly” stools, colicky abdominal pain, bilious vomiting and a sausage-shaped mass in the RUQ.
Intussusception
A congenital heart disease that causes secondary hypertension. What would you find on physical examination?
Coarctation of the aorta; decreased femoral pusles
First-line treatment for otitis media.
Amoxicillin
The most common pathogen causing croup
Parainfluenza virus type 1
A homeless child is small for his age and has peeling skin and a swollen belly.
Kwashiorkor (protein malnutrition)
Defect in an X-linked syndrome with mental retardation, gout, self-mutilation and choreoathetosis.
Lesch-Nyhan syndrome (purine salvage problem with HGPRTase deficiency).
A newborn girl has a continuous “machinery murmur”. What drug would you give?
Patent ductus arteriosus. Indomethacin is given to close the PDA.
A newborn girl with posterior neck mass and swelling of the hands.
Turner syndrome
A young child presents with proximal muscle weakness, waddling gait, and pronounced calf muscles.
Duchenne muscular dystrophy.
A first-born female who was born in breech position is found to have asymmetric skin folds on newborn exam. Diagnosis? Treatment?
Developmental dysplasia of the hip. If severe, consider a Pavlik harness to maintain abduction.
An 11-year-old obese African American boy presents with sudden onset of limp. Diagnosis? Workup?
Slipped capital femoral epiphysis. AP and for-leg lateral radiographs.
An active 12-year-old boy has anterior knee pain. Diagnosis?
Osgood-Schlatter disease
First-line pharmacotherapy for depression.
SSRIs
Antidepressants associated with hypertensive crisis.
MAOIs
Galactorrhea, impotence, menstrual dysfunction and decrease libido
Dopamine antagonists
A 17-year-old girl has left arm paralysis after her boyfriend dies in a car crash. No medical cause is found.
Conversion disorder
Name the defense mechanism:
A mother who is angry at her husband yells at her child
Displacement
Name the defense mechanism:
A girl who is upset with her best friend acts overly kind.
Reaction formation.
Name the defense mechanism:
A man calmly describes a grisly murder.
Isolation
Name the defense mechanism:
A hospitalized 10-year-old begins to wet his bed.
Regression
Life-threatening muscle rigidity, high fever, autonomic instability, confusion and elevated creatine phosphokinase
Neuroleptic malignant syndrome
Amenorrhea, low body weight (<85%), bradycardia, and abnormal body image in a young woman.
Anorexia.
A 35-year-old man has recurrent episodes of palpitations, diaphoresis, and fear of impending doom.
Panic disorder
The most serious side effect of clozapine.
Agranulocytosis
A 21-year-old man has 3 months of social withdrawal, worsening grades, flattened affect and concrete thinking.
Schizophreniform disorder (a diagnosis of schizophrenia requires >/= 6 months of symptoms).
Key side effects of atypical antipsychotics.
- Weight gain
- Type 2 DM
- QT-segment prolongation
A young weight lifter receives IV haloperidol and complains that his eyes are deviated sideways. Diagnosis? Treatment?
Acute dystonia (oculogyric crisis). treat with benztropine or diphenhydramine.
Medication to avoid in patients with a history of alcohol withdrawal seizures.
Neuroleptics, which can lower the seizure threshold.
A 13-year-old boy has a history of theft, vandalism, and violence toward family pets.
Conduct disorder. Associated with antisocial personality disorder in adults.
A 5-month-old girl has decreased head growth, truncal discoordination, and decreased social interaction.
Rett disorder. Loss of milestones is commonly described.
A patient hasn’t slept for days, lost $20,000 gambling, is agitated, and has pressured speech. Diagnosis? Treatment?
Acute mania. Start a mood stabilizer (eg, lithium).
After a minor “fender bender” a man wears a neck brace and request permanent disability.
Malingering
A nurse presents with severe hypoglycemia; blood analysis reveals no elevation in C-peptide.
Factitious disorder
A patient spends most of his time acquiring cocaine despite losing his job and being threatened with legal charges.
Substance use disorder
Medication to avoid in patines with PTSD.
Benzodiazepines (have high addition potential). Patients commonly have a history of substance abuse.
A violent patient has vertical and horizontal nystagmus
Phencyclidine hydrochloride (PCP) intoxication
A woman who was abused as a child frequently feels outside of or detacher form her body.
Depersonalization disorder
A schizophrenic patient takes haloperidol for 1 year and develops uncontrollable tongue movements. Diagnosis? Treatment?
Tardive dyskinesia. Decrease or discontinue haloperidol and consider another antipsychotic (eg, risperidone, clozapine).
A man with major depressive disorder is counseled to avoid tyramine-rich foods with his new medication. What class of medications she taking?
MAOIs
Risk factors for DVT.
- Stasis
- Endothelial injury
- Hypercoagulability
(Virchow triad)
Criteria for exudative effusion.
- Pleural/serum protein >0.5
2. Pleural/serum LDH >0.6
Causes of exudative effusion.
Think of leaky capillaries.
- Malignancy
- TB
- Bacterial or viral infection
- Pulmonary embolism (PE) with infarct
- Pancreatitis
Causes of transudative effusion.
Think of intact capillaries.
- CHF
- Liver or kidney disease
- Protein-losing enteropathy
Normalizing PCO2 in a patient having an asthma exacerbation may indicate ___.
Fatigue and impending respiratory failure.
Treatment for acute asthma and COPD exacerbations.
beta2-agonists and corticosteroids (anticholinergics and antibiotics for COPD exacerbation as well).
Sarcoidosis
- Dypsnea
- Lateral hilar lymphadenopathy on chest radiographs
- Noncaseating granulomas
- Increased angiotensin-converting enzyme
- Hypercalcemia
PFTs of obstructive pulmonary disease
Decreased FEV1/FVC
PFTs of restrictive pulmonary disease
- Increase FEV1/FVC
2. Decreased TLC
Honeycomb pattern on chest radiograph. Treatment?
Diffuse interstitial pulmonary fibrosos. Supportive care; antifibrotic agents may help.
Treatment for SVC syndrome.
Radiation
Treatment for mild persistent asthma
Inhaled beta-agonists and inhaled corticosteroids
Treatment for COPD exacerbation
- O2
- Bronchodilators
- Antibiotics
- Corticosteroids with taper
- Smoking cessation
Treatment for chronic COPD
- Smoking cessation
- Home O2
- Beta-agonists
- Anticholinergics
- Systemic or inhaled corticosteroids
- Flu and pneumococcal vaccines
Acid-base disorder in PE.
Respiratory alkalosis with hypoxia and hypocarbia
Non-small cell lung cancer (NSCLC) associated with hypercalcemia
Squamous cell carcinoma
Lung cancer associated with syndrome of inappropriate antidiuretic hormone (SIADH)
Small cell lung cancer (SCLC)
Lung cancer associated with Lamber Eaton syndrome
SCLS
Lung cancers highly related to cigarette exposure.
SCLC, SCC
A tall Caucasian man presents with acute shortness of breath. Diagnosis? Treatment?
Spontaneous pneumothorax. Spontaneous regression; supplemental O2 may be helpful.
Treatment of tension pneumothorax
Immediate needle thoracotomy (over diagnostic).
Characteristics favoring carcinoma in a isolated pulmonary nodule.
- Age >45-50
- Tobacco use
- Lesions newer larger in comparison to old films
- Absence of calcification or irregular calcification
- Size >2cm
- Irregular margins
ARDS
Hypoxemia and pulmonary edema with normal pulmonary capillary wedge pressure (PCWP).
Sequelae of asbestos exposure
- Pulmonary fibrosis
- Pleural plaques
- Bronchogenic carcinoma (mass in lung field)
- Mesothelioma (pleural mass)
Increased risk of what infection with silicosis?
Mycobacterium tuberculosis
Causes of hypoxemia
- Right-to-left shunt
- Hypoventilation
- Low inspired O2 tension
- Diffusion defect
- V/Q mismatch
Classic chest radiographic findings for pulmonary edema
- Cardiomegaly
- Prominent pulmonary vessels
- Kerley B lines
- “Bat’s wing” appearance of hilarity shadows
- Perivascular and peribronchial cuffing
Chest radiography findings suggestive of PE
Westermark sign and Hampton hump
Renal tubular acidosis (RTA) associated with abnormal H+ secretion and nephrolithiasis
Type I (distal) RTA
RTA associated with abnormal HCO3- reabsorption and rickets.
Type II (proximal) RTA
RTA associated with low aldosterone state
Type IV (distal) RTA.
Treatment of hypernatremia
NS if unstable vital signs; D5W or 1/2 NS to replace free-water loss
Differential diagnosis of hypotonic hypervolemic hyponatremia
- Cirrhosis
- CHF
- Nephrotic syndrome
- Acute kidney injury (AKI)
- Chronic kidney disease (CKD)
Chvostek and Trousseau signs
Hypocalcemia
Chvostek: tap parotid gland and fascial muscles spasm
Trousseau: pressure to upper arm (BP cuff) causes carpopedal spasm
The most common causes of hypercalcemia
- Malignancy
2. Hyperparathyroidism
T-wave flattening and U waves
Hypokalemia
Peaked T waves and widened QRS
Hyperkalemia
Treatment of hyperkalemia
C BIG K (Calcium gluconate, Bicarbonate, Insulin, Glucose Kayexalate)
First-line treatment for moderate hypercalcemia
IV hydration
Type of AKI in a patient with FeNa <1%
Prerenal
A 49-year-old man presents with acute-onset flank pain and hematuria
Nephrolithiasis
The most common type of nephrolithiasis
Calcium oxalate
Ultrasonography shows bilateral enlarge kidneys with cysts. Associated brain anomaly?
Cerebral berry aneurysms; autosomal dominant polycystic kidney disease (PCKD)
- Hematuria
- Hypertension
- Oliguria
Nephritic syndrome
- Proteinuria
- Hypoalbuminemia
- Hyperlipidemia
- Hyperlipiduria
- Edema
Nephrotic syndrome
The most common form of nephrotic syndrome in adults
Focal segmental glomerulosclerosis
Nephritic syndrome presenting 3 days after URI, normal C3
IgA nephropathy (Berger disease)
Palpable purpura, arthralgia, abdominal pain
Henoch-Schonlein purpura
Glomerulonephritis with deafness
Alport syndrome
Glomerulonephritis with hemoptysis
Granulomatosis with polyangitis and Goodpasture syndrome
Presence of red cell casts in urine sediment
Glomerulonephritis/nephritis syndorme
Eosinophils in urine sediment
Allergic interstitial nephritis
Waxy casts in urine sediment and Maltese crosses (seen with lipiduria)
Nephrotic syndrome
Muddy brown casts
Acute tubular necrosis
Drowsiness, asterixis, nausea, and a pericardial friction rub
Uremic syndrome seen in patients with renal failure
A 55-year-old man is diagnosed with prostate cancer. Treatment options?
Wait, surgical resection, radiation therapy and/or androgen suppression.
Hematuria in a 50-year-old smoker
Bladder cancer
Hematuria, flank pain, a palpable flank mass
Renal cell carcinoma (RCC)
Testicular cancer associated with beta-hCG
Choriocarcinoma
The most common type of testicular cancer
Seminoma, a type of germ cell tumor
The most common histology of bladder cancer
Transitional cell carcinoma
Complication of overly rapid correction of hyponatremia
Central pontine myelinolysis
Salicylate ingestion occurs in what type of acid-base disorder?
Anion gap acidosis and primary respiratory alkalosis due to central respiratory stimulation
Acid-base disturbance commonly seen in pregnant women
Respiratory alkalosis
A 55-year-old man presents with irritative and obstructive urinary symptoms. Treatment options?
Probably BPH. Options include no treatment, terazosin, finasteride, or surgical intervention (TURP)
Class of drugs that may cause syndrome of muscle rigidity, hyperthermia, autonomic instability, and extrapyramidal symptoms
Antipsychotics (neuroleptic malignant syndrome)
Side effects of corticosteroids
- Acute mania
- Immunosuppression
- Thin skin
- Osteoporosis
- Easy bruising
- Myopathies
Treatment for DTs
Benzodiazepines
Treatment for acetaminophen overdose
N-acetylcysteine
Treatment for opioid overdose
Naloxone
Treatment for benzodiazepine overdose
Flumazenil (monitor for withdrawal and seizures)
Treatment for neuroleptic malignant syndrome and malignant hyperthermia.
Dantrolene
Treatment for malignant hypertension
Nitroprusside
Treatment for atrial fibrillation.
- Rate control
- Rhythm conversion
- Anticoagulation
Treatment of supraventricular tachycardia
If stable, rate control with carotid massage or other vagal stimulation; if unsuccessful, consider adenosine.
Causes of drug-induced SLE
- INH (Tuberculosis)
- Penicillamine (Wilsons disease)
- Hydralazine
- Procainamide
- Chlorpromazine
- Methyldopa
- Quinidine (Malaria)
Macrocytic, megaloblastic anemia with neurologic symptoms
B12 deficiency
Macrocytic, megaloblastic anemia without neurologic symptoms
Folate deficiency
A burn patient presents with cherry-red, flushed skin and coma. SaO2 is normal, but carboxyhemoglobin is elevated. Treatment.
Treat CO poisoning with 100% O2 or with hyperbaric O2 if poisoning is severe or the patient is pregnant.
Blood in the urethral meatus or high-riding prostate.
Bladder rupture or urethral injury
Test to rule out urethral injury
Retrograde cystourethrogram
Radiographic evidence of aortic disruption or dissection
- Widened mediastinum (>8 cm)
- Loss of aortic knob
- Pleural cap
- Tracheal deviation to the right
- Depression of left main stem bronchus
Radiographic indications for surgery in patients with acute abdomen.
- Free air under the diaphragm
- Extravasation of contrast
- Severe bowel distension
- Space-occupying lesions (CT)
- Mesenteric occlusion (angiography)
The most common organism in burn-related infections
Psuedomonas
Method of calculating fluid repletion in burn patients
Parkland formula: 24-hour fluids= 4 x kg x %BSA
Acceptable urine output in a trauma patient.
50 cc/hr
Acceptable urine output in a stable patient
30 cc/hr
Signs of neurogenic shock
- Hypotension
2. Bradycardia
Signs of increased ICP (Cushing triad)
- Hypertension
- Bradycardia
- Abnormal respirations
Decreased CO
Decreased PCWP
Increased peripheral vascular resistance (PVR)
Hypovolemic shock
Decreased CO
Increased PCWP
Increased PVR
Cardiogenic (or obstructive shock)
Increased CO
Decreased PCWP
Decreased PVR
Distributive (eg, septic or anaphylactic) shock
Treatment of septic shock
- Fluids
2. Antibiotics
Treatment of cardiogenic shock
- Identify cause
2. Ionotropes (eg, dobutamine)
Treatment of hypovolemic shock
- Identify cause
2. Fluid and blood repletion
Treatment of anaphylactic shock
- Epinephrine 1:1000
2. Diphenhydramine.
Supportive treatment for ARDS
Low tidal volume ventilation
Signs of air embolism
A patient with chest trauma who was previously stable suddenly dies
Signs of cardiac tamponade
- Distended neck veins
- Hypotension
- Diminished heart sounds (1-3 = Beck’s triad)
- Pulsus paradoxus
Absent breath sounds, dullness to percussion shock, flat neck veins
Massive hemothorax
Absent breath sounds, tracheal deviation, shock, distended neck veins
Tension pneumothorax
Treatment for blunt or penetrating abdominal trauma in hemodynamically unstable patients
Immediate exploratory laparotomy
Increased ICP in alcoholics or the elderly following head trauma. Can be acute or chronic; crescent shape on CT.
Subdural hematoma
Head trauma with immediate loss of consciousness followed by a lucid interval and then rapid deterioration. Convex shape on CT.
Epidural hematoma