10 Flashcards
(33 cards)
Decreases abs of levothyroxine?
bile acid binding agents, Fe, Ca, Aluminum hydroxide, PPIs, sucralfate
Decreases levothyroxine by incr TBG?
E, tamoxifen, raloxifene, heroin, methadone
**incr dose
Affects levothyroxine by decr TBG?
androgens, GC, anabolic steroids, nicotinic acid
*decr dose
Incr metabolism of levothyroxine?
rifampin, phenytoin, carbamazepine
PID tx?
cef/doxy + clinda/gent
Alz tx?
donepezil, rivastigmine, galantamine (rev ACHase inh)
memantidine if mod-severe
drugs a.w incr K?
nonsel BB ACEI ARBs digoxin NSAIDs (decr P = decr renin/ald) K sparing diuretics (amiloride, triamterene, spironolactone)
drug a/w decr K?
hctz
thyr CA a/w incr calcitonin?
medullary
thry CA a/w Hurthle cells?
follicular and papillary
S3 is due to…
incr cardiac filling pressure + turbulent blood flow
nml in kids, young adults, preg
abn if >40, CHF, rest CM, high output states
Orbital cellulitis versus preseptal ?
orbital = ophthalmoplegia, pain with EOM, proptosis, vision changes
Polymyalgia rheumatica:
lab abn?
tx?
incr ESR
CS
Tx CML (bcr-abl)?
TK inh
Electrolyte abn a/w vit D deficiency?
decr phos
decr Ca
incr alk phos
Renal v thrombosis:
cause?
MC a/w…
decr AT III (pres: abdp, F, hematuria)
membranous glomerulopathy
decr K on EKG:
U waves, flattened T waves, PVCs
next step? unstable pt w inconclusive FAST…
peritoneal lavage
1st line for stable chr angina?
BB (improves survival)
tx actinomycosis?
amox
amebiasis tx?
metronidazole
Fanconi syndr pres:
glucosuria, aminoaciduria, phosphoturia, RTA type 2 (incr urine bicarb)
RTA type 4 =
aldosterone resistance (2/2 obst uropathy and CAH)
ITP is a/w…
HIV (may be 1’ pres)