tres Flashcards
four causes of low sodium with normal volume
SIADH, psychogenic polydipsia, Post op, and hypothyroid
Low Na, Low volume. then what?
look at urine sodium. Low is <10, high is >20
low na, low volume, low urine sodium
EXTRARENAL losses aka diarrhea, vomiting, diaphoresis
low na, low volume, high urine sodium
loss is REANAL. aka excessive diuretics, low aldo, ATN
HIGH sodium and normal volume 2 things
DI or tahcpynea
renal causes of HIGH na and LOW volume
diuretics, osmotic diuresis (aka peeing sugar) or renal failure
HIGH Na, LOW volume, non renal causes
diarrhea, diaphoresis, respiratory losses
2 iatrogenic causes of high sodium and high volume
TPN and NaHCO3 therapy
5 causes of high sodium and high volume
iatrogenic, exogenous steroids, cushings, primary hyper aldo, salt water drowning
most common cause of male infetility
varicoclele
which carotid turns into ophthalmic and retinal artery
internal
riluzole is
glutamate blocker. used in ALS
BUN: Cr ratio for PRERENAl
more than 20:1
itnrarenal BUN: CR ratio
< 15:1
bile duct infection is caleld
cholangitis