General medicine Flashcards
Most likely vascular malformation responsible for SAH?
Arteriovenous malformation - AVM most likely to present with focal seizures, unilateral throbbing headache, and slowly progressive focal neurologic signs
Most common pituitary tumor
lactotroph adenoma (prolactinoma) 25%
47 yo F HA, weight gain in trunk, facial hair
corticotroph adenoma (Cushing syndrome)
Somatotroph adenoma
produce growth hormone and cause acromegaly in adults and gigantism in prepubertal patients
Hypertension with hypokalemia
hyperaldosteronism
secondary cause of HTN with flank mass
polycystic kidney disease
secondary cause of HTN with unilateral abdominal bruit in young aptient with marked HTN; new-onset HTN with severe end-organ disease
renovascular disease
markedly labile BP with tachycardia and headache
pheochromocytoma
persistent hypokalemia in absence of diuretic therapy or marked drop with low-dose diuretics
hyperaldosteronism
delayed or absent femoral pulses in a young patient
coarctation of the aorta
truncal obesity and abdominal striae
cushing syndrome
Treatment for uncomplicated gonococcal infection of cervix, urtehra or rectum
ceftriaxone 250 mg IM in single dose plus azithromycin 1 g orally in single dose
Study type to investigate a possible association between and exposure or potential risk factor and an outcome of interest
case-control study
Treat acute life-threatening staphylococcal infections with this agent
vancomycin
Subacute bacterial endocarditis (SBE) prophylaxis is recommended for what ophthalmic surgical procedure?
Dacryocystorhinostomy
perioperative modification that may worsen postoperative delirium
soft mechanical restraints
Subtype of systemic sclerosis (SSc) formerly known as scleroderma infrequently involves internal organs and has best prognosis?
limited SSc
Important lab for 32 year old woman with CVO
anticardiolipin antibodies to r/o antiphospholipid antibody syndrome
Medication used to treat mycobacterium tuberculosis causes pink-tinged tears and blepharoconjunctivitis
rifampin
What percentage of normal population has an antinuclear antibody (ANA) titer of >1:40
30% (high false-positive rate) Must also check anti-dsDNA, anti-smith, antiphospholipid which are highly specific
ANA titer in patient with true SLE
1:160 or higher
Nearly all isolates of Haemophilus influenzae are now resistant to what antibiotic class?
macrolides
current treatment - amoxicillin-clavulanate, trimethoprim-sulfamethoxazole, quinolone (ciprofloxacin) or third-generation cephalosporin (ceftriaxone or cefotaxime)
Most radiosensitive structure in the eye
lens > cornea > retina > optic nerve
Recommended screening for thyroid dysfunction?
TSH, free T4 (sensitivity of 99.5%)
TSH rise early in hypothyroidism and fall in hyperthyroidism even before free T4 are outside reference range
JNC 8 guidelines for BP
60 years and older systolic blood pressure target less than 150 mm Hg and/or diastolic blood pressure less than 90 mm Hg
Stage of treponema pallidum infection characterized by fever, lymphadenopathy, patchy hair loss, and malaise?
Secondary
resolve in 2 to 6 weeks with 25% relapse in first 2 to 4 years