UWorld 8/11 Flashcards
Dilated bronchi on CT scan?
-think: bronchiectasis
Loss of P/T bilaterally in upper back & arms?
- Think: Syringomyelia!
- dilated central canal in the spinal cord
- caused by tumor or can be fluid-filled
- can be due to trauma, tumor, or congenital
- ssx: also have muscle atrophy and loss of reflexes
What should be done if Parkinsonism develops in response to tx with atypical antipsychotics?
-give benztropine (anticholinergic)
After what week can HTN in pregnancy be considered preeclampsia?
-after 20 wks
What is the most common risk factor for placental abruption?
-HTN
What is the most important intervention to prevent transmission of HIV to baby throughout pregnancy?
- have mom on HAART tx throughout pregnancy
- plus zidovudine to neonate for >6 wks
What are infants born to mothers with surgical tx for graves at risk for? Why?
- at risk for thyrotoxicosis
- bc TSH immunoglobulins can pass through to the placenta
What should be given to keep PDA open?
- prostaglandin E1
- to “pop” the ductus open!
What should be given to close a PDA?
- indomethacin
- “inhibits” ductus from popping open!
What happens in nursemaid’s elbow?
-subluxation of radial head
What renal condition can be seen post hypovolemic shock? What can be seen in UA?
- see Acute Tubular Necrosis
- can see muddy brown casts in UA
Muddy brown casts?
- seen with acute tubular necrosis
- which is typically seen with any cause of hypovolemia
RBC casts?
-seen in glomerulonephritis
WBC casts?
-seen in interstitial nephritis and pyelonephritis
Fatty casts?
-seen in nephrotic syndrome
Broad and waxy casts?
-seen in chronic renal failure
Palpable purpura, arthralgias, abdominal pain, & hematuria?
- think: H-S P
- IgA mediated vasculitis of small vessels
- see IgA deposits on kidney bx (not necessary for dx) usually clinical dx!
Tx for trichotillomania?
-CBT
5 Ssx of heat stroke?
- Temp > 105*F
- AMS
- Hypotention
- Tachycardia
- Tachypnea
Pancytopenia following drug intake, exposure to toxin, or viral infection?
-think: aplastic anemia
3 tx options for MG?
- Acetylcholinesterase inhibitors = neostigmine or pyridostigmine
- Immunosuppressive agents
- Thymectomy
What is commonly the underlying dz seen with Paget’s disease of the breast?
-adenocarcinoma (ductal carcinoma)
What location of neck abscess is at the highest risk of spreading to mediastinum?
-retropharyngeal abcess
What is the most important prognostic factor in breast cancer?
-TNM staging to determine tumor burden
Slowly growing, nontender, indurated mass that can form an abscess, fistula, or draining sinus tract most commonly on mandible? Tx?
- Think: bacterial actinomyces cervicofacial infection
- tx: penicillin
What cancer does GERD increase the risk for?
-adenocarcinoma of the esophagus (not squamous cell!)
What cancer can Barrett’s lead to?
-adenocarcinoma of the esophagus
Rapidly progressive dementia w/ myoclonus? Tx? Seen on EEG?
- think: cretuzfeldt-jakob disease
- rapidly progressive demenitia
- no tx, usually die w/in 12 mnth
- see bi or triphasic sharl wave complexes on EEG
Diet recommendations for kidney stone prevention?
- Decrease protein and oxalate
- Decrease sodium
- Increase fluids
- Increase calcium
Where is Coccidiomycosis?
- Southwestern US + central & south america
- esp Arizona or California
Where is Histoplasmosis?
-most common in SE, midatlantic, and central US
Where is blastomycosis?
- south-central and north-central US
- esp in vacinity of great lakes, mississippiriver, and ohio river basin
- highest infection rate in Wisconsin!
Caustic poisoning? Ssx? Tx?
- drinking of acids or alkaline solutions (ex drain cleaner)
- ssx: from the mechanical injury of the tissues = dysphagia, severe pain, heavy salivation, mouth burns
- tx: flush out the caustics with high water volumes (DONT try to use the opposite acid/base)
High alk phos in pt over 40? Tx?
- think: Paget’s disease
- can be asymptomatic and found with radiograph that shows lytic and osteoblatsic lesions from the simultaneous breakdown and repair of bone
- tx: bisphosphanates
Traveler with persistent (> 2 wks) non bloody, watery, diarrhea?
-cryotosporidium
What is the most common vaccine preventable dz in travelers?
-Hep A!
Low back pain in an elderly pt that is relieved by leaning forward?
-lumbar spinal stenosis
Chronic back pain and neurologic dysfunction in a preadolescent child?
- think: spondylolisthesis = developmental d/o with forward slip of vertebrae
- ssx: low back pain, neurologic dysfctn (ex urinary incontinence), palpable “step-off” in lumbosacral area
Constant gnawing epigastic pain that is worse at night, anorexia, and wt loss?
-think: pancreatic cancer
Delayed or absent puberty and anosmia?
- kallman syndrome!
- x-linked recessive
- XX or XY!
- low FSH and LH, bc d/o with migration of GnRH
Why do vagal maneuvers help with supraventricular tachycardia?
- increase vagal tone = decrease conduction through AV node
- SVT is usually due to re-entry through AV node
What electrolyte abnormality can be a complication of a SAH?
-hyponatremia due to cerebral-salt waisting syndrome
2 most common bacterial causes if sinusitis? Tx?
- Strep pneumo
- H. Influenzae
- Tx: amoxicillin-clavulanic acid
3 causes of primary amenorrhea with female phenotype, but no normal vagina and uterus? Karyotypes?
- Mullerian agenesis = XX
- Androgen insensitivity = XY
- 5-alpha reductase deficiency = XY
95% is how many SD?
-2
What percent is 1 SD?
-68%
Tx of choice for lyme dz in a child?
- amoxicillin
- DONT use doxy in a child < 8 yrs old (or in pregnant women)! –> can slow bone growth & cause staining of teeth
What orthopedic injury can be seen following a tonic-clonic seizure?
-posterior shoulder dislocation!
BUN > 60?
- uremia
- seen in ESRD
- can have uremic pericarditis as a cimplication!
- tx = hemodyalisis
What is one of the most frequent complications in mumps in adults?
-orchitis
What ages are febrile seizures common?
-6mnths - 6 yrs
Most common nephropathy seen with hodgkin lymphoma?
-minimal change dz
Which nephrotic syndrome is most commonly associated with malignancies?
- membranous glomerulopathy
- esp with solid cancers
Inferior wall infarct: What is seen in EKG? What structure is usually affected? Tx?
- EKG: see ST elevations in leads II, III, AVF
- usually RV is affected
- Tx: fluid resucitation, AVOID nitrates
Reactive arthritis triad?
- Joint pain –> seronegative spondyloarthropathy
- Ocular findings - uveitis, conjunctivitis
- Genital abnormalities - urethritis, balanitis
Occurs secondary to:
- Inflam bowel dz
- STD
- GI infection
Ssx of RV infarct?
-clear lung feilds
-hypotension
-CO is decreased bc the SV of RV is decreased –> so dont give tx that will decrease preload!
Tx: fluid bolus first
Tx if reactive arthritis?
-NSAIDs
What are ascending thoracic aortic aneurysms usually due to?
-cystic necrosis (occurs with aging) or connective tissue d/o (Marfans)
Stroke v Bell’s palsy?
- stroke = ONLY lower half of face effected, pt can wrinkle forehead
- bells = ENTIRE side of face effected, can’t wrinkle forehead!
What are descending thoracic aortic aneurysms usually due to?
-atherosclerosis –> risk factors: HTN, smoking, hypercholesterol
Tx for a symptomatic subconjunctival hemorrhages?
-observation
Reactive arthritis triad?
- Joint pain –> seronegative spondyloarthropathy
- Ocular findings - uveitis, conjunctivitis
- Genital abnormalities - urethritis, balanitis
Occurs secondary to:
- Inflam bowel dz
- STD
- GI infection
Tx if reactive arthritis?
-NSAIDs
Stroke v Bell’s palsy?
- stroke = ONLY lower half of face effected, pt can wrinkle forehead
- bells = ENTIRE side of face effected, can’t wrinkle forehead!
Tx for a symptomatic subconjunctival hemorrhages?
-observation
Tx for trigeminal neuralgia?
-carbamazepine or oxcarbazepine
What do ABGs usually show in atalectasis?
- Hypoxemia
- Hypocapnia
- Resp alk
Tx for preeclampsia?
- Mg sulfate –> seizure prevention
- Hydralazine –> BP control
- Deliver baby
Pica?
- appetite for items other than food
- seen in IRON DEF anemia (esp with ice)
What is impaired in pts without a spleen?
-phagocytosis of encapsulated bacteria
What does synovial fluid in lyme dz look like?
-inflammatory w/ leukocyte count of 25,000
Protein and glucose in CSF of bacterial and viral meningitis?
- bacterial: low glucose, high protein
- viral: normal glucose, normal (or slightly high) protein
Infant that has syncopal episodes with crying, but no incontinence , cyanosis, or post ictal period?
- think: breath holding spells
- benign –> only tx is reassurance
- self limited
What is the major nutrient lacking in “tea and toast” diet?
-folic acid!
Tx for stabismus?
-patching or penalizing (blurring) the vision of the good eye
What should be done if a pt with known immunity to hep B is exposed to hep B?
- no tx is needed
- just reassurance!
Gout v septic arthritis on H&P?
- indistinguishable!
- tap it!
- always tap a mono-inflammed joint! –> dont want to miss an infection!
Causes of epidydimytis in young men v older men?
- young = c. Trachomatis or n. Gonorrhea
- old = gram-neg rods (e. Coli)
Most effective way to prevent firearm injuries?
-remove ALL firearms from the home
What tendon problem is commonly seen in new mothers?
- De Quervian tenosynovitis
- in moms who hold their infant with thumb outstretched
- finkelstein test will be positive: passively stretching the affected tendon by grasping the flexed thumb into the palm with fingers = pain
Most important tx of lactic acidosis from septic shock?
- IV normal saline to maintain intravascular pressure
- plus antibiotics for underlying infection
What derm dz is termed “lizard skin”?
-icthyosis vulgaris
Definition of malignant hypertension?
- severe HtN >180/120
- retinal hemorrhages, exudates, or papilledema
Removal of ventilator in a brain dead pt?
- not necessary
- just need to confirm brain death with 2 physicians
What lab test should be done on pleural fluid to determine if it needs to be drained?
- pH
- if less than 7.2, then its likely infected = empyema –> drain it!!
Purplish skin discoloration and gangrenous changes?
-think: necrotizing fascitis!
Sudden pulse-lessness in a pt 5 days -2 wks post MI?
-think: free wall rupture!
Hyperglycemia + red plaques with central clearing?
- think: glucagonoma
- rash = necrolytic migratory erythema
DM, weight loss, diarrhea, + necrolytic migratory erythema?
-think: glucagonoma
Severity of DM in glucagonoma?
- mild DM
- easily controlled with oral agents & diet changes
- usually doesnt require insulin
Crampy diffuse abdominal pain + green vomit?
- think: small bowel obstruction
- emesis is usually billious
- pain is usually poorly localized
What tests to get before starting a pt on lithium?
-creatinine & TSH
Initial tx for afib?
-beta blocker or ccb (ex diltiazem or verapamil)
What should be measured in a pt that an adrogen-secreting tumor is suspected?
-DHEA-S
Acute asymmetric arthritis in an adult that works with children?
-can be caused by parvovirus B19
Tx for minimal change disease?
-prednisone
What is functional hypothalamic amenorrhea? What can it be due to? What are they at risk for?
- suppression of hypothalamic-pituitary-ovarian axis
- bc of strenuous exercise, anorexia, marijuana use, stress, depression, or chronic illness
- at risk for bone loss bc of estrogen deficiency
When is tactile fremitus increased on physical exam?
- ONLY when there is consolidation of the lung (ex. Lobar pneumonia)
- sound travels faster in solids than in air
Calcium and phosphorus in secondary hypoparathyroidism?
- ca: decreased
- phos: increased
- can be caused by renal failure
What causes hypocalcemia + hypophosphetemia?
-vitamin D malabsorption
How is MS dx?
-clinical suspicion + MRI of brain
Placental abruption w/ moderate bleeding and reassuring fetal tracings?
-can proceed with vaginal delivery
4 diagnostic test results of lactose intolerance?
- Positive hydrogen breath test
- Positive stool test for reducing substances
- Low stool pH
- Increased stool osmotic gap
Steatorrhea in lactose intolerance?!
-NO!
What to do if a battery is swallowed?
- if its in the esophagus –> remove it ASAP
- if its past the esophagus –> leave it alone, usually passes okay in its own
What does an anaphylactic rxn to a blood transfusion look like? Who is at risk? Tx?
- respiratory distress and hypotension within seconds to minutes
- pts with IgA deficiencies are at risk for this!
- epi
What medications are known to cause peripheral edema?
-dihydropyridine = calcium channel antagonists –> amlodipine
Elderly pt with: anemia, renal failure, + hypercalcemia?
-think: multiple myleoma!
At what CD4 count is pneumocystits usually seen?
-BELOW 200
Most common cause of pneumonia in HIV pts?
-ecapsulated bacteria, esp strep pneumo
What should be done to test for acute Hep B infection?
- HBsAg
2. Anti-HBc
What happen to maternal vital signs with a rupture of vasa previa?
-maternal vital signs remain stable while the fetus exsanguinates
Discharge in BV v trichomoniasis?
- BV: thin, off-white, fish odor
- trich: thin, gray-green, malodorous, frothy
What type of anemia can be caused by NSAID use?
- iron deficiency anemia
- bc of chronic GI bleed
Ssx of hypoTH with elevated thyroid hormones?
-generalized resistance to thyroid hormones
Most common cause of bacterial meningitis in kids and daukts?
-neisseria meningitides
Meningitis with a rash?
-neisseria meningitides
What drugs can cause drug-induced vascular spasm?
-cocaine & methamphetamines
Ludwig angina?
- infection of the submadibular and sublingual glands
- ssx: fever, dysphagia, odynophagia, & drooling
- source of infection is usually an infected tooth –> usually strep or anaerobes
- asphyxiation is the most common cause of death –> intubate if necessary!!
Tx of primary hyperaldo?
- Laproscopic resection if unilateral
- Aldo antagonists if bilateral or not surgical candidate:
- eplerenone
- spironolactone
Water hammer pulse?
-aortic regurgitation
Uterine bleeding without cervical dilation in pregnancy? Tx?
- threatened abortion
- before 20 wks preg
- tx: bed rest and pelvic rest
What is a common complication of temporal arteritis?
-aortic aneurysm
Difficulty breathing in ore-eclampsia?
-pulmonary edema is a complication!
During the first week of life how many wet diapers should a newborn have a day?
- the number of how many days old they are
- 5 days = 5 diapers
Jaundice in a breast fed infant in the first week of life? Tx?
- breast feeding failure jaundice
- tx: optimize breast feeding
Breast feed infant with jaundice in the first 2-3 wks of life? Tx?
- breast milk jaundice
- tx: switch to formula feeding until jaundice goes away, then breast feeding can resume
Recommendations for mamograms?
- every 2 yrs after age 50
- not necessary beyond age 75
Recommendations for hyperlipidemia screening?
-lipid pannel every 5 yrs when > 20 yrs old
Null value?
= 1.0
What does it mean when the confidence interval includes the null value?
- null value = 1.0
- means the study is NOT statistically significant
What does a wide confidence interval mean?
-smaller sample size
Newborn with abdominal distention, bloody diarrhea, and leukocytosis?
-think: necrotizing enterocolitis
Best test for reocclusion?
-CK-MB
What can panhypopituitaryism cause?
- ACTH deficiency –> due to 2ndary adrenal insufficiency
- Hypothyroidism –> central
- Gonadotropin deficiency
In what 2 scenarios should you worry about an aortic tear?
- MVA
2. Fall from > 10 ft
What usually presents with painless hematuria?
-renal cancer!
Where is the lesion in broca’s aphasia?
-dominant frontal lobe!
Proximal muscle weakness + rash on dorsum of hands?
-dermatomyositis
Whatrenal problem is commonly seen in chrons? Why?
- nephrolithiasis with oxalate stones
- malabsorption of calcium leaves more oxalate around to be absorbed –> calcium usually binds to oxalate so it cant be absorbed
What is the most common cause of pneumonia in nursing home residents?
-strep pneumo!
What is the risk for developing clear cell adenocarcinoma of vagina and cervix?
-DES exposure in utero
Conjunctivitis in an infant btwn days 2-5 of life?
-gonorrheal conjunctivitis
Conjunctivitis in newborn in days 5-14 of life?
-chlamydial conjunctivitis
What are the 3 common causes if conjunctivitis in newborns in order?
- Chemical
- Gonorrhea –> days 2-5
- Chlamydia –> 5-14 days
Next step after solitary pulmonary nodule is found on CXR?
-chest CT
What kidney problem can acyclovir cause? How can it be prevented?
- can cause crystalline neohropathy
- adequate hydration can help avoid this
What are pedal edema, ascities, bilateral gynecomastia, and spider angioma a sign of?
-cirrhosis!
What are the 2 most common causes if cirrhosis in the US?
- Chronic alcohol abuse
2. Viral hepatitis
Tx of PCP?
-TMP-SMX + steroids
What are the 2 most common causes of cellulitis?
- Beta-hemolytic strep
2. Staph aureus
Tx for cellulitis when there are systemic sx?
- IV nafcillin
2. IV cefazolin
Tx of choice for primary hyperparathyrodism? What if pt refuses surgery and has hx if osteopenia?
- Surgery
2. Bisphosphonate tx –> if not surgery
What is postop endophthalmitis? When does it present? Ssx?
- corneal infection
- usually occurs within 6 wks of surgery
- ssx: pain, decreased visual acuity, swollen eyelids, corneal edema
Tx for cholelithiasis if pt refuses surg or poor surg candidate?
-ursodeoxycholic acid + avoid fatty foods
Upper motor neuron ssx below a specific level of spinal cord? Dx?
- think: spinal cord compression via malignancy, disk herniation, abscess (esp in IV drug user)
- dx: MRI of spine
Upper motor neuron injury ssx (3)?
- Wkness
- Hyperreflexia
- Babinski
Tx for symptomatic BPH?
-alpha-1 blockers = doxazosin or tamsulosin alone or in combo with finesteride (5-alpha reductase inhibitors)
What drug most commonly causes priapism?
-prazosin
What is usually the presenting ssx of PKD? Tx?
- early onset HTN
- tx ACEi
What does pronator drift usually mean?
- UMN lesion
- could be due to stroke
What is the most common cause of painless hematuria in adults?
-bladder cancer
Initial tx of chronic venous dz (3)?
- Leg elevation
- Exercise
- Compression stockings
Gardener stuck with rose thorn?
-think: sporothrix schenckii
Presentation of midgut volvulus (3)?
- child less than 1mnth old
1. Bilious vomiting
2. Abdominal distention
3. Blood stained stool
HypoCa + hyperPhos + normal kideny fctn?
- think: hypoPTH
- usually complication of prior neck surgery, but if not surgical, most often caused by autoimmune dz
Toxoplasmosis prophylaxis?
- screen HIV pts at dx for toxoplasmosis antibodies
- if antibodies should be tx with TMP/SMX (also helps prevent PCP)
What is the most common valvular abnormality seen in pts with infective endocarditis?
-MVP w/ MR
3 most common causes if avascular necrosis of hip in adults?
- Chronic steroid use
- Alcholism
- Hemoglobinopathy
Tx of yeast infection?
-oral fluconazole (or other azole)
Most common cause of infertility of a woman in her 40s who is still menstrating?
-age-related decreased ovarian reserve
What is the recommendation for vision screening in kids?
-vision test for screening of strabismus, ambylopia, and refractive error s should be done in all kids aged 0-5
Tx for vfib?
-immediate cardioversion with defibrillator (unsynchronized)
Painless GI bleeding, anemia, and aortic stenosis murmur?
-think: angiodysplasia (AV malformation) of GI tract
What does matching do in studies?
-helps decrease confounding
Pure motor stroke?
-lacunar infarct
Most common testicular cancer?
-germ cell seminoma
Testicular tumor with elevated beta-HCG + elevated alpha fetoprotein? Where does it commonly met to?
- think: nonseminomatous germ cell tumor
- can met to lungs –> see lg mediastinal mass
What is the primary risk factor for ovarian torsion?
-ovarian enlargement –> due to pregnancy or tumors
Tx of fulminant hepatic failure?
-only tx is transplant
Tx for hairy cell leukemia?
- Cladribine
2. Pentostatin
What can markedly decreased breath sounds on the left after intubation mean?
-right mainstem bronchus intubation –> fix by repositioning
Definition of intrauterine fetal demise? What test should be done after?
- fetal death after 20wks and before delivery
- autopsy should be done on fetus and placenta to try to determine cause for future pregnancies
Arreflexia, loss of vibratory/position sense, & cardiomyopathy in 5-15 yr old?
-think: Friedrich ataxia
Cause of proptosis in Graves?
-retro-orbital tissue expansion
“Sail sign” seen on a CXR of an infant?
- thymus
- very prominent bc of its relatively lg size compared to the infants small thorax
Absent lymph nodes, tonsils, and thymus?
-think: SCID
Tx of choice for impetigo? Both mild and severe?
- mild: topical mupirocin
- severe: oral erythromycin
2 possible causes of hypercalcemia + intractable ulcers?
- Hyperparathyroidism –> increased calcium stimulates gastrin = ulcers
- Zollinger-Ellison syndrome
5 possible complications for newborns who are below 10th percentile for weight?
- Hypoxia
- Polycythemia
- Hypoglycemia
- Hypothermia
- Hypocalcemia
Antibiotic of choice for prophylaxis/tx of infections caused by human bite?
-amoxicillin-clavulante
What opthamology disorder presents with the distortion of stright lines into wavy/bent lines?
-macular degeneration
Headache, nausea, & dizziness?
-think: CO poisoning, esp if there is environmental exposure!
Bloody diarrhea with liver cyst found months later? Tx?
- amebic liver abscess
- tx: metronidazole
Liver cyst seen in a pt with close contact with dogs?
-hydatid cyst
Screening recommendations for DM2?
- should start at age 45 in person with no risk factors, start earlier if have risk factors
- use one of these tests: HbA1c, fasting blood glucose, random glucose level, oral glucose tolerance
Acyclovir?
-antiviral used to tx herpes and shingles
What test should be done on a woman who you suspect is going through menopause?
-check TSH and FSH levels
What is used for prophylaxis for GBS in pregnancy?
-penicillin
Acaluculous cholecystitis: what is it? 5 situations where it is commonly seen?
- inflammation of GB in the absence of gallstones
- commonly seen w/
1. Extensive burns
2. Severe trauma
3. Prolonged TPN
4. Prolonged fasting
5. Mechanical ventilation
Houses built before what year are worrisome for lead poisoning?
-1978!
What is the most rapid test for histoplasmosis?
-urine or serum antigens!
Tx of histoplasmosis?
-itraconazole
Definition of resistant HTN?
-persistent HTN despite being on 3+ antihypertensive agents
What is the most common cause of resistant HTN?
- renovascular dz = renal artery stenosis
- this condition is correctable!
New focal neurologic ssx 3-10 days after SAH? What couldve prevented this?
- vasospasm
- nimodipine helps prevent this!
Bilateral hip, thigh, & buttock claudication + impotence + symmetric atrophy in lower extremities?
- think: leriche syndrome
- due to aortoilliac occlusive dz
- tx: aortoilliac bypass graft
What is the best dx test for primary biliary cirrhosis?
-anti-mitochondrial antibodies
Fleshy immobile mass on midline hard palate? Tx?
- in a young pt its usually torus palatinus = congenital bony growth
- tx: none, unless it becomes symptomatic or interferes with spee h or eating
Medication that is first given for tx of bleeding esophageal varicies?
- octreotide = somatostatin analogue
- decreases portal pressure
2 causes of outflow obstruction in HOCM?
- Hypertrophied intraventricular septum
2. Abnormality in the motion of the MV leaflets
What thyroid malignancy does hoshimotos thyroiditis increase the risk for?
-lymphoma of the thyroid
What type of conjunctivitis is most commonly bilateral?
-allergic!
What abdominal organ is most commonly lacerated in blunt abdominal trauma in an MVA?
-spleen!
What to do if a pt gets bit by a dog?
- confine the dog for 10 days and observe for rabies
- DONT give prophylaxis, unless:
1. Animal acted strangely
2. Bit pt with provocation
3. Rabies is prevalent in the area (rare) or rabies has been confirmed
Shat are the only 2 tx that are currently proven to decrease mortality kn pts with COPD?
- Smoking cessation
2. Home oxygen
What is the location of the defect seen with hemi-neglect?
-the contralateral-parietal cortex
What is aplastic crisis?
- seen in pts with sickle cell anemia
- transient stop in erythropoiesis + virtually no retic count
- retic < 1%
- can be caused by infections, esp parvo B-19
T or F: howel jolley bodies can be seen in sickle cell anemia?
-true! Bc of functional asplenia!
Triple bubble sign on xray?
-jejunal atresia
Double bubble sign on xray?
-duodenal atresia!
Weight gain and OCPs?
-usually NOT a sfx
What test can be done during the first trimester to look for downs? When can it be done?
- chorionic villus sampling
- done at wks 9-12
What disorders can chorionic villus sampling tell you about?
- genetic or chromosomal d/o only
- cant tell about neural tube defects!
What can MSAFP detect? When is it done?
- can detect neural tube and abdominal wall defects and chromosomal anomalies
- done during second trimester
Acute stroke syndrome in a kid following an injury to the soft palate?
- think: internal carotid artery dissection
- sx can be up to 24hrs after injury
What are the 2 tests to do first in a child with a suspected bleeding d/o?
- Coagulation studies
2. Platelet count
Clavicle fractures in kids?
- usually due to accidental trauma, even minor falls
- not very suspicious for child abuse
Dementia with alterations in alertness, visual hallucinations, and extraparamidal sx?
-think: lewy body dementia!
Hyperbilirubin with primarily elevated alk phos?
-think malignant biliary obstruction
Agrs of presentation for inflammatory bowel dz?
-Bimodal: 20s-30s & around age 60
What can be found on bx for both UC and chrons?
-neutrophilic cryptitis
What is the most common risk factor for an aortic dissection?
-HTN
When can clonic jerks be seen besides seizures?
-can also be seen in syncope caused by an arrhythmia is prolonged brain hypoxia
Constitutional sx, systemic embolization, & cardiovascular sx?
-think: cardiac myxoma
Cardiac myoma: what is it? Ssx?
- most common benign primary cardiac tumor, usually in LA
- ssx:
1. Constitutional = fatigue, low grade fever, wt loss
2. Systemic embolization = TIA, ischemic stroke, acute embolic arterial occlusion
3. Cardiovascular sx = dypnea, orthopnea, cough. Pulmonary ede a, hemoptysis
What is the most common benign cardiac tumor? Where is it usually located?
- cardiac myxoma tumor
- usually located in LA
What would an MRI of the brain in Alzheimer’s show?
- atrophy that is more prominent in the temporal and parietal lobes
- ONLY use imaging to exclude other causes of the dementia
Jaundice 2-3 days after surgery, bilirubin peaks in 10 days, alk phos markedly elevated, & ALS/AST levels normal or minimally elevated?
- think: postop cholestasis
- benign, due to: hypotension, extensive blood loss into tissues, and massive blood replacement
What is the guthrie test?
- urine test that looks for metabolic products of phenylalanine in the urine
- test for PKU
Drug of choice for diabetic neuropathy?
- tricyclic antidepressants
- ex amitriptyline
- gabapentin can also be used
What is the most common cause of abnormal hemostasis in pts with CHF?
-platelet dysfunction
Tx of choice for fibromuscular dysplasia?
-angioplasty with stent placement
What is the cause of a varacocele?
-dilation of the pampiniform plexus
What is the name of the bursa anteriomedialy over the tibia, plateau?
-anserine bursa
Below what CD4 count is CMV retinitis usually seen?
-below 50!
Yellowish-white patches of retinal opacification and retinal hemorrhages in a pt with HIV?
- CMV retinitis
- usually seen when CD4 < 50
Acute, anterior cervical unilateral lymphadenitis in a child?
-Usually caused by a bacterial infection, esp staph aureus
Pneumonia with prominent GI sx, hyponatremia, & LFT abnormalities?
-think: legionella!
Pneumonia with hyponatremia?
-think: legionella!
Shoulder dystonia with palsy + horner’s syndrome?
-think: C8 and T1 injury, klumpke’s palsy
Tx for pt with croup with resp distress?
- racemic epi
- if not, intubate
How should immunizations be given to premies?
-according to chronological age!
Weakness in the legs that ascends upward to the chest, loss of DTRs, and resp muscle wkness?
- Think: guillain-barre syndrome
- Autoimmune damage of multiple peripheral nerves
HTN, Hypercalcemia,renal stones, & neuropsych sx?
- think: hyperparathyroidism
- uncommon secondary cause of HTN
Tx of stroke in sickle cell pt?
-exchange transfusion
What can cause oxygen toxicity with a ventilator and what can be done to avoid this?
- too much oxygen via high FIO2
- decrease the FIO2 to 50-60% to help prevent this
What is a common cause of viral myocarditis?
-coxsackie B virus?
Acute CHF in a young pt with no coronary artery disease risk factors?
-think myocarditis, most commonly viral, esp from coxsackie B
Menorrhagia with a bulky, globular, & tender uterus?
-think: adenomyosis
Menorrhagia with a firm, irregularly enlarged uterus?
-think: leiomyomas (fibroids)
What is the best method for studying the incidence of a disease?
-cohort study
Tx for candidal esophagitis?
-oral fluconazole
What are the 2 acid-fast organisms?
- Mycobacterium (TB)
2. Nocardia
Tx for nocardia?
-tmp/smx
Vaccines to give with liver dz (5)?
- Tetanus
- Influenza
- Pneumococcal
- Hep A
- Hep B
Pt with HTN and palpable rt kidney on exam? Why just right?
- think: ADPKD
- usually can feel the right kidney easier bc it lies lower than the left kidney!
Beta receptors and hyperkalemia?
-use beta-2-adrenoreceptor stimulators (ex albuterol) to drive excess K into cells
What 2 meds help reduce sx in CHF, but do NOT i prove survival?
- Digoxin
2. Furosemide (loop diuretics)
Post MI what 4 meds should a pt go home on?
- Aspirin (or clopidogrel if cant have aspirin)
- Bb
- Statin
- ACEi
What should be given to a pt post MI who cant take aspirin?
-clopidogrel
What nerve is most commonly injured with midshaft humerus fracture?
-radial nerve
Injury to what nerve causes wrist drop?
-radial nerve
What acne med is highly teratogenic?
-isotretinoin!!
Next step for unstable pt with penetrating abdominal wound?
-ex lap!!
When is a diagnostic peritoneal lavage helpful?
-in a pt with BLUNT trauma and an inconclusive FAST exam
Next step: young woman with breast mass and no signs of malignancy?
- have her come back after her period to reevalute the mass
- if decrease in size, likely to be benign
What is the acidified glycerol lysis test?
-the osmotic fragility test used for spherocytosis
Motor/sensory deficits in anterior v middle cerebral artery strokes?
- anterior = ssx more pronounced in upper limb
- middle = ssx more pronounced in lower limb
Most common complication of PUD?
-hemorrhage
Sinus and lung problems?
- wegners
- AKA: granulomatosis with polyangitis
Most common cause of anemia in premature and low birth weight babies?
-anemia of prematurity
Achilles tendonopathy is associated with which medications?
-fluoroquinolones
2 tx options for essential tremor?
- Propranolol
2. Primidone (anticonvulsant)
Sfx of primidone?
-can cause acute intermittent porphyria –> check urine for porphobilinogen
Abdominal pain + hallucinations?
-think: porphyria
5 ssx of hyperestrogenism in a cirrhotic male?
- Gynecomastia
- Palmar erythema
- Spider angiomas
- Testicular atrophy
- Decreased body hair
What are exudates? Transudates?
- exudates –> increased capillary permeability
- transudates –> increased hydrostatic or decreased oncontic P
Painless vaginal bleeding in the third trimester?
-think: placenta previa!
Tx for stye?
-warm compress
What is a stye? AKA?
- staph abscess of eyelid
- AKA: external hordeolum
What should be avoided while taking metronidazole?
-alcohol –> can cause disulfram-like rxn
Cavity lesion on CXR with halo sign in immunocomp pt?
-think: aspergillosis
Hypertrophic osteoarthropathy: what is it? What is it commonly seen with? Best initial study?
- clubbing of digits + sudden-onset arthropathy (commonly affecting wrists and hands)
- seen commonly with ling diseases such as lung cancer, TB, bronchiectasis,or emphysema
- initial study = CXR
Nail puncture wound on foot that results in osteomyelitis?
-think: pseudomonas aeruginosa
What is the next step for a solitary lung nodule that is highly suspicious (ex hx of malig)?
- surgical excision!
- skip CT or PET
Cause of NPH?
-decreased absorption of CSF
Dx test for zollinger-ellison syndrome?
-fasting serum gastrin levels
Immunodef + Low platelets + eczema? Tx?
- think: wiscott-aldrich syndrome
- deficient in T lymphocytes
- only tx = bone marrow transplant!
Niemann-pick v tay-sachs: battle of the cherry red spots
- N-P= due to deficiency of sphingomyelinase –> hepatosplenomegaly, cervical lymphadenopathy, protruding abdomen
- T-S = due to deficiency of hexosaminidase A –> mental retardation, seizures, NO hepatosplenomegaly, NO cervical lymphadenopathy
Tx for dressler syndrome?
-NSAIDs
What is the most critical factor that determines overall patient survival in sudden cardiac arrest?
-elapsed time til rhythm analysis and defib
What is the most common cause of sepsis in pts with sickle cell anemia?
-strep pneumo
Tx for pancreatic pseudo cyst?
- should resolve spontaneously, no tx needed
- drain if, persists longer than 6 wks, > 5cm in diameter, becomes infected
First line tx for adolescents with moderate to severe uterine bleeding who are hemodynamically stable?
-high dose estrogen –> helps regrown endometrium
Torticollis: what is it? What is it usually caused by? Dx?
- = twisted neck muscles
- usually seen in kids caused by:
1. URIs
2. Minor trauma
3. Cervical lymphadenitis
4. Retropharyngeal abscess - do c-spine xray to make sure there is no underlying cause or fracture
What should be done when a white reflex is seen in an optho exam of a child?
- prompt referral to opthalmologist
- retinoblastoma until proved otherwise!
Marfan-like pt with intelectual delay?
-think: homocystinuria
Marfan-like child with fair complexion?
-think: homocysteinuria
Fair haired, tall child, elastic skin, developmental delay w/ CVA?
-think: homocysteinuria
Dx & tx of herditary homocysteinuria?
- dx: elevated homocysteine and methionine levels
- tx: vit B6, folate, and vit B12 –> to lower homocysteine levels
Which disorders commonly cause gouty attacks?
- myeloproliferative d/o bc of increased turnover of purines
- ex polycythemia vera
Solitary ring enhancing lesion on brain CT + fluid collection in maxillary sinus?
-think: brain abscess from anaerobic bacteria
What is a major cause of morbidity and mortality in pts with cirhosis? What test should all pts dx with cirhosis undergo?
- GI bleeds from esophageal varacies
- all cirrhotic pts should undergo am emdoscopy!
What is the most common leukemia in the western world?
-chronic lymphocytic leukemia (CLL)
What is important in ventilation for ARDS?
-need PEEP
First line tx for acute-closed angle glaucomma?
-IV acetazolamide!
Tx for pseudomonas?
-cefepime or piperacillin-tazobactam
What is hepatic hydrothorax? Tx?
- pleural effusion that is not due to cardiac or pulm abnormality
- due to small defects in diaphragm –> abdominal ascites passes into pleural space
- tx: liver transplant OR thoracentesis + low salt diet + diuretics –> TIPS
Prophylaxis for pregnancy loss in antiphospholipid syndrome?
-low molecular weight heparin + aspirin
Cold leg after an MI? Dx test? Tx?
- if the MI is lg a thrombus can form in the heart and embolize anywhere in the body (usually the leg)
- dx test: do an echo to identify the thrombus
- tx: treat thrombus with heparin
What pulmonary-renal syndrome requires an emergency plasmapheresis?
-goodpastures!
Recurrent pneumonia in the same area of the lung?
-suggests bronchial obstruction due to an underlying abnormality –> most concerning would be a bronchogenic carcinoma
What is the most dangerous complication of ESRD? Best tx?
- hepatorenal syndrome
- best tx = liver transplant
When should prophylaxtic testing be done for GBS in pregnancy?
- 35-37 wks gestation
- vaginal AND rectal cultures