Uworld Review Flashcards
What will an SPEP show with multiple myeloma?
M-spike
What bone marrow bx finding is diagnostic of multiple myeloma?
More than 10% clonal plasma cells
What are the bone marrow bx findings of aplastic anemia?
Hypoplastic fat-filled marrow
What are the six steps of asthma pharmacotherapy (increasing in severity)?
- SABA only
- SABA + low dose ICS
- LABA + low dose ICS
- LABA and medium dose ICS
- High dose ICS + LABA
- High dose ICS + LABA + oral corticosteroid
How many nighttime awakenings and daytime symptoms classify mild, intermittent asthma?
Less than 2 /day and 2 nights / month
What are the classic EEG findings of prion diseases?
Intermittent sharp waves
What are the classic s/sx of prion disease?
Rapidly progressing dementia with myoclonus
What is malignant otitis externa, and what is the treatment (drug and route)?
Severe infection of the external auditory canal, caused by pseudomonas.
IV ciprofloxacin
What is the pathophysiology of pemphigus vulgaris and bullous pemphigoid?
Pemphigus vulgaris = abs against hemidesmosomes
BUllous pemphigoid = abs against desmosomes
What is the treatment for refractory ITP?
Splenectomy
When is IVIG indicated for the treatment of ITP?
Newly diagnosed with severe bleeding
What is the goal platelet count when treating ITP?
over 30,000
What is the MOA and route of Liraglutide?
Injectable GLP-1 agonist
What is the MOA and route of sitagliptin?
DPP-4 inhibitor
What drugs should be acoided in pts with a h/o intracranial hemorrhage?
Nitrates because may increased ICP and risk another rupture
What are the CSF findings of Guillain-barre syndrome? What is the term for this/what does it mean?
Elevation in CSF proteins, without elevation in WBC count
What are the two major side effects of cimetidine?
Pancytopenia and renal failure
When does autism screening begin?
at 18 months and 2 years
How many wet diapers a day is common in a neonate? Stools?
8 wet diapers
2 stools
Under what age should a child never receive straight cow’s milk? Why?
- Under 12 months
- Infants do not tolerate the protein mixture of unaltered cow’s milk and may develop colitis, causing microscopic bleeding and gradually worsening anemia.
Most babies lose a little weight right after birth, then may regain their birth weight as early as 1 week of age, but are definitely expected to have regained their birth weight by when?
2 weeks
What type of testicular cancer produces beta hCG?
Seminomas and choriocarcinomas
What type of testicular cancers produce afp?
Choriocarcinomas
embryonal cell carcinomas
What type of testicular cancers produces LDH?
Seminomas
Prolongation of life in pts with CHF has been documented with which 5 medications?
ACEIs ARBs Beta blockers Aldosterone antagonists (spironolactone) Hydralazine + nitrate
Strokes to the left superior middle cerebral artery lead to what language problems?
Brocas
Strokes to the left inferior middle cerebral artery lead to what language problems?
Wernicke’s
What happens to renin activity with diuretic use?
Increased since the kidney is seeing too much volume being wasted
What is the aldosterone escape seen in Conn syndrome?
Aldosterone initially induces sodium and water retention; this is followed within a few days by a spontaneous diuresis, which returns excretion to the level of intake and partially lowers the extracellular fluid volume toward normal.
What is the effect of beta blockers on bg levels?
Decreases, since blocks the breakdown of glycogen to glucose
Squamous cell bladder cancer in an immigrant means infection with what?
Schistosoma haematobium
What is the treatment for schistosoma?
Praziquantel and prednisone
Why is there pain at the end of urination with a schistosoma infection?
Extrusion of eggs
What is the PaO2 / FiO2 ratio for ards?
Less than or equal to 300
What are light’s criteria for diagnosing an exudative pleural effusion?
- if pleural fluid protein / serum protein is over 0.5
- If pleural LDH / serum LDH is over 0.6
- if pleural LDH is over 2/3 normal
What is the imaging test of choice to diagnose an aortic dissection in a hemodynamically unstable pt?
US
What is the treatment for symptomatic coccidioidomycosis localized to the lungs in an immunocompromised pt?
Oral fluconazole x 12 months
Which s/sx of Grave’s disease is not usually seen in young pts?
Pretibial myxedema
What is the recommended screening test for adrenal insufficiency?
Cosyntropin stimulation test
What is the first step in treatment of acute lung rejection after stabilization?
Bx of the bronchi to r/o CMV and/or other infectious causes of lung disease
What is the order of drugs that should be tried with symptomatic bradycardia?
Atropine Transcutaneous pacing Dopamine Epi Isoproterenol
(“All Trained Dogs Eat Iams”)
What drug should be avoided in pts with an inferior MI (RV)?
Nitro
What are the antibodies associated with primary biliary cirrhosis?
Antimitochondrial antibodies
What are the antibodies associated with autoimmune hepatitis?
Antismooth muscle antibodies
What are the antibodies associated with primary sclerosing cholangitis?
p-ANCA
With what comorbidities is indomethacin contraindicated for the treatment of an acute gout flare?What is used instead?
Renal failure of GI bleeds
Colchicine
What electrolyte abnormality is common with Amp B useage?
Hypokalemia (type I RTA)
How many weeks post tick bite are ELISA testing unreliable for Lyme disease?
2 weeks or less
What is the first line agent for treating cardiogenic shock in the setting of an acute MI?
Norepi
What is the metyrapone stimulation test?
Metyrapone blocks the last step in the synthesis of cortisol at the level of the adrenal gland, and induces a rapid fall of serum levels, which normally leads to increases in ACTH secretion. In pts with tertiary AI, metyrapone stimulation fails to produce a rise in ACTH levels
What is the most sensitive radiographic sign of hyperparathyroidism?
Subperiosteal bone resorption of the phalanges
What is the difference between hyperparathyroidism 2/2 primary disease vs renal disease in terms of phosphate levels?
Primary = depressed
Renal disease = elevated
What is the treatment for IgA nephropathy?
ACEIs
What is the treatment for Goodpasture syndrome?
Plasmapheresis to reduce abs
What are the muscle bx findings of inclusion body myositis?
beta-amyloid deposits
What is always true in polymyositis that is not always true of dermatomyositis and inclusion body myositis?
CK is elevated in polymyositis
What is the drug of choice in treating cysteine renal stones?
Penicillamine
What are the amino acids that cannot be reabsorbed in cystinuria?
Cystine
Ornithine
Arginine
Lysine
What is the prophylactic treatment for preventing uric acid renal stones?
Allopurinol
What is the immunostaining pattern on renal bx associated with Alport syndrome?
Basketweave appearance (splitting of the lamina densa of the glomerular BM)
What is the inheritance pattern of Alport syndrome?
XLR
What is the classic triad of symptoms of Alport syndrome?
Sensorineural hearing loss
Nephritis
anterior lenticonus
What type of diuretics can increase the chances of uric acid stones?
Loop
What is the treatment for disseminated cryptococcus neoformans?
Amp B + 5FU
How often should pts with UC have a colonoscopy?
1-3 years
What is the marker for following recurrence of: colon cancer
CEA
What is the marker for following recurrence of: hepatocellular carcinoma
alpha-fetoprotein
What is the marker for following recurrence of: Ovarian cancer?
CA-125
What is the marker for following recurrence of: hCG
Gestational trophoblast disease and germ cell tumors
What is the drug for prophylaxis of cystinuria? MOA? Side effect?
potassium bicarb–alkalinization of the urine increases solubility of cystine
This, however, increases the risk for Ca stones
What comorbid condition may increase the likelihood of lactic acidosis in a pt taking metformin?
HF
What comorbidity increases the disease severity of RA?
Smoking
What is the amount of protein lost in the urine with nephrotic syndromes?
over 3 g / day
Loss of protein S and C with nephrotic syndrome leads to what hemodynamic change?
Hypercoagulability
What is the classic side effect of ethambutol?
Optic neuritis
What is the classic pentad of TTP?
- hemolytic anemia
- thrombocytopenic purpura
- neurological abnormalities
- Fever
- renal disease
What hemodynamic changes occur with OSA?
During apneic episodes, increased negative internal thoracic pressure increases LV afterload, and adversely affecting LV function
What are the two labs that are elevated with diamond blackfan anemia?
Hb F
Erythrocyte adenosine deaminase (eADA)
What is the inheritance pattern of diamond blackfan anemia?
AD
What type of anemia is Diamond blackfan anemia (macro/normo/microcytic)
Normocytic to macrocytic
What is the drug of choice for postsplenectomy sepsis?
Levaquin
What is the indication for a splenectomy in a pt with ITP?
Failure with medical therapy for 6 weeks
What are the histological characteristics of mycosis fungoides?
Clusters of atypical lymphocytes (pautrier’s abscesses) aligned along the basal layer and epidermal microabscesses with normal dermis
What are the two most important risk factors for SAH?
Smoking and HTN
What causes pulmonary edema in the setting of SAH?
Increased intracranial pressure and severe over-activation of the SNS
What is the treatment for bacillary angiomatosis (caused by bartonella henselae)?
Erythromycin
What is the treatment for strongyloides infection?
Ivermectin
What is the treatment for onchocerciasis?
Ivermectin
What is the causative agent of spelunker’s disease? Treatment?
Histoplasma
Itraconazole
What is a major environmental risk factor for developing an acoustic neuroma?
Chronic exposure to loud noises
What are the s/sx of gastroparesis 2/2 DM?
Postprandial n/v, fullness, and lightheadedness (from hypoglycemia)
Which class of abx is classically nephrotoxic?
Aminoglycosides
What is the technical definition of infertility?
Inability to conceive after 12 months of unprotected sex
What is the difference between primary and secondary infertility?
Primary = never had kids before
What is the technique used to detect congenital anomalies of the uterus?
Hysterosalpingogram
What is the treatment for infertility 2/2 hypogonadism in women?
Clomiphene
Where is the mass with a bartholin’s cyst?
Mass at the medial labia majora or lower vestibular area on PE
What is the treatment for symptomatic and asymptomatic bartholin cysts?
Asymptomatic = warm soaks Abscess = I+D
When are abx indicated in the treatment of a bartholin gland abscess?
Only if cellulitis or STI present
True or false: BV is an infx
False-shift in vaginal flora
What are the risk factors for:
- BV
- Trichomonas
- Yeast infx
- BV = Douching, female sexual partner, pregnancies
- Trich = unprotected sex
- Yeast = DM, abx use, prego, steroids
What are the s/sx of:
- BV
- Trich
- Yeast
- BV = smelly
- trich = d/c pruritus, dysuria
- Yeast = pruritus
Which cause of vaginitis will produce a positive whiff test?
BV
What is the treatment for BV?
Vaginal metronidazole or clindamycin
What is the treatment for trichomonas?
Metronidazole or tinidazole
What is the treatment for a vaginal yeast infx?
Topical azole or fluconazole
What is the normal vaginal d/c for the midcycle estrogen surge?
Clear, elastic mucoid secretion
What is the normal vaginal d/c for the luteal phase/pregnancy?
Thick and white secretions that adhere to the vaginal wall
What are the four diagnostic criteria for the dx of BV? How many are needed?
(three of four are required): ■ Abnormal whitish-gray discharge ■ Vaginal pH > 4.5 ■ ⊕ amine (whiff) test ■ Clue cells comprise > 20% of epithelial cells on wet mount
What are the four most common causes of cervicitis?
- GC/Chlamydia
- Trich
- HSV
What are the s/sx of cervicitis?
Yellow-green d/c with CMT
What are the characteristics of the ulcer with haemophilus ducreyi?
Deep, painful ulcer with irregular borders
True or false: smoking increases the risk of PID
True
What are the s/sx of PID?
- lower abdominal pain
- f/c
- Menstrual disturbances
- Purulent cervical d/c
What is relative positive and negative predictive value of leukocytosis in the diagnosis of PID?
Low for both
What are the components of the A ROPE mnemonic for causes of abdominal pain?
Appendicitis Ruptured ovarian cyst Ovarian torsion PID Ectopic pregnancy
What is the treatment for PID?
Ceftriaxone IM OR cefoxitin + probenecid plus doxycycline
What is the surgical treatment for PID?
Drainage of a tubo ovarian/pelvic abscess or TAH/BSO if severe
What are the s/sx of fitz-hugh-curtis syndrome?
- RUQ pain
- Perihepatitis
- elevated LFTs
What is the toxin that causes toxic shock syndrome?
TSST-1
How does toxic shock syndrome present?
■ Presents with abrupt onset of fever, vomiting, and watery diarrhea.
■ A diffuse macular erythematous rash is also seen.
■ Nonpurulent conjunctivitis is common.
■ Desquamation, especially of the palms and soles, generally occurs during recovery within 1–2 weeks of illness.
What is the treatment for toxic shock syndrome?
Rapid rehydration Empiric abx (clindamycin + vanco)
What are the s/sx of leydig cell tumors?
Increased aromatase expression leading to increased estrogen production, and inhibited LH/FSH
What serum marker is found with choriocarcinomas?
beta-hCG
What serum marker(s) is/are found with teratomas?
Either AFP or beta-hCG
What serum marker(s) is/are found with seminomas?
None usual,y, but sometimes beta-hCG
What serum marker(s) is/are found with yolk sac tumors?
AFP
What is the treatment for Hep C infection for people who cannot afford a cure?
Vaccination with HAV, HBV, and avoidance of EtOH
What are the classic skin manifestations of leprosy?
Chronic, anesthetic, macular, hypopigmented skin lesions with raise, well demarcated borders. Nearby nerves become nodular and tender, with resultant loss of sensation.
How do you diagnose leprosy?
Skin bx
What is the treatment for leprosy?
Dapsone and rifampin
What are the histological findings of Crohn’s disease?
noncaseating granulomas
Which has pseudopolyps: CD or UC
UC
What is the drug of choice for treating mastitis in breastfeeding mothers?
Dicloxacillin
What is the major side effect of TMP-SMX in pregnant women?
bilirubin is displaced from albumin, and may cause kernicterus
What is a major side effect of azoles?
Inhibition of p450s
How is phenytoin metabolized
p450 system
What is the first line treatment for vaginal candidiasis?
Oral fluconazole
What is cervical insufficiency?
Painless cervical changes that occur in the 2nd trimester and result in recurrent pregnancy loss
What are the most common causes of intrauterine demise in the first, second, and third trimester?
First = chromosomal abnormalities Second = cervical insufficiency Third = placental/cord complications and infx
What is cerclage performed?
2nd trimester
What is the effect of OCPs on maternal physiology?
Inhibition of mid-cycle LH surge 2/2 estrogen inhibition
What type of ovarian cancer may lead to virilization?
Sertoli-leydig cell tumors
Granulosa cell tumors secrete what type of hormone?
Estrogen
What amount of weight gain is normal for a at-weight pregnant woman?
25-35 pounds
What is the mainstay of treatment for sheehan syndrome?
Glucocorticoids
How long after exposure to varicella in a pregnant woman is IVIG able to be given?
96 hours
What is the treatment for a pregnant woman who has never had varicella before, who is recently exposed to it?
If less than 96 hours since exposure, then IVIG
IV acyclovir otherwise
Is warfarin a contraindication to breast feeding?
No
Fetal accelerations of how many BPM are reassuring?
Between 120-160 with 15-25 bpm variability
What are the indications for an amnioinfusion?
Repetitive decelerations and treatment of chorioamnionitis
What are the only two safe oral DM meds in pregnancy?
Metformin
Glyburide
What is the technical definition of a terminal illness?
Less than 6 months to live
What stage of labor is oxytocin given?
Stage I, active
What is the latent stage of labor?
Start of contractions to 6 cm dilation
What is the pharmacologic therapy for DUB that causes hemodynamic instability (after they’re stabilized)? Why?
- High dose IV estrogen
- Decreases bleeding by promoting rapid regrowth of the endometrium over the denuded epithelial surface
Why is progesterone not given in cases of excessive DUB?
Progestins inhibit the synthesis of estrogen receptors and increase estradiol dehydrogenase
Is fertility preserved after uterine artery embolization?
yes
When is external cephalic version offered to women?
After 36 weeks gestation
What is the treatment for patellofemoral pain syndrome?
Quad strengthening
What is the Kleihauer–Betke test?
a blood test used to measure the amount of fetal hemoglobin transferred from a fetus to a mother’s bloodstream. It is usually performed on Rh-negative mothers to determine the required dose of Rho(D) immune globulin (RhIg) to inhibit formation of Rh antibodies in the mother and prevent Rh disease in future Rh-positive children
What tests should be ordered after a pregnancy loss?
Antiphospholipid antibody syndrome
Fetomaternal hemorrhage if appropriate
What are the signs of feta; hydantoin syndrome?
Microcephaly
Midface hypoplasia
cleft lip/palate
digital hypoplasia
CKD causes hyper or hypocalemia? Why?
Hypo since decreased production of 1,25-vit D
When does gait disturbance appear with NPH: early or late in the disease course?
Early and most prominent symptom
What parts of the brain are most affected with NPH?
Subcortical and frontal (thus apraxia and agnosia are uncommon)
Which knee injury usually presents with hemarthrosis: ACL tears or MCL tears?
ACL; rarely MCL
True or false: polymyositis is usually painless
true
What is the recommended screening process for HIV per the USPSTF?
Once in ages 15-65
What is the current HIV screening test?
-24 antigen and HIV abs
What are the abx to give to cases of suspected bacterial meningitis? (3) Why these?
Cefepime-most bacterial
Vanco-resistant strep
Ampicillin-covers listeria
What is the abx of choice for listeria meningitis?
Ampicillin
How do you calculate risk?
number of people exposed and with disease, over total exposed
What are the criteria for getting home oxygen therapy?
Resting PaO2 less than or = to 55 mmHg
O2 sat less than or equal to 88%
If a female has trich, do you need to test the male partner for trich prior to treating them? Why or why not?
No, since extremely likely they have it, and hard to get a good sample–just treat
What lab value is abnormal with antiphospholipid antibody syndrome?
Prolonged PTT
What is the diagnostic imaging modality of choice for a pt with an aortic dissection that has renal failure?
TEE
Is the following characteristic more suggestive of conus medullaris syndrome, or cauda equina syndrome: radicular pain?
Cauda equina
Is the following characteristic more suggestive of conus medullaris syndrome, or cauda equina syndrome: Sudden onset back pain
conus medullaris
Is the following characteristic more suggestive of conus medullaris syndrome, or cauda equina syndrome: Saddle hypo/anesthesia
Cauda equina
Is the following characteristic more suggestive of conus medullaris syndrome, or cauda equina syndrome: Perianal hypo/anesthesia
Conus medullaris
Is the following characteristic more suggestive of conus medullaris syndrome, or cauda equina syndrome: Asymmetric motor weakness
cauda equina
Is the following characteristic more suggestive of conus medullaris syndrome, or cauda equina syndrome: symmetric motor weakness
Conus medullaris
Is the following characteristic more suggestive of conus medullaris syndrome, or cauda equina syndrome: Hypo or areflexia
Cauda equina
Is the following characteristic more suggestive of conus medullaris syndrome, or cauda equina syndrome: Hyperreflexia
Conus medullaris
Is the following characteristic more suggestive of conus medullaris syndrome, or cauda equina syndrome: Late onset bowel/bladder dysfunction
Cauda equina
Is the following characteristic more suggestive of conus medullaris syndrome, or cauda equina syndrome: Early onset bowel/bladder dysfunction
Conus medullaris
Which anti TB drug is associated with hepatitis?
All are, but INH in particular
True or false: even with only mild elevations in LFTs from INH therapy, INH should be stopped for second line TB therapy
False
True or false: oral ulcers and elevated ESR are common in celiac disease
False
What does the body maintain first: volume status, or electrolyte status?
Volume
High ADH and urine Na are characteristic of what disorder?
SIADH
Low ADH and urine Na are characteristic of what disorder?
DI
What are the two ways ADH can be stimulated?
Hypotonic
ANG II
How long does it take for gout to flare completely?
12-24 hours
True or false: trauma/surgery can precipitate a gout attack
True
Pts with Chronic lymphocytic (Hashimoto’s) thyroiditis are at an increased risk for what malignancy?
Thyroid lymphoma
What is the typical presentation of thyroid lymphoma?
Rapidly enlarging thyroid with compressive symptoms
Systemic B symptoms
What causes the facial cyanosis when adducting a pts arms with thyroid lymphoma?
Compression of the subclavian vein against the thyroid
What is the typical presentation of Subacute (de Quervain’s) thyroiditis?
Follows a recent viral infx
Painful goiter
Fever