21: Urinalysis- Thompson Flashcards
3 basic parts of UA
gross exam
dip stick
microscopic
brown =
orange =
cloudy =
green/blue =
bile pigments/ dopa
bile pigments/ pyridium
UTI/ purine rich diet
pseudomonal infection/ tagamet
causes of proteinuira
DM preeclampsia multiple myeloma nephrotic syndrome UTI blood muscle breakdown (exercise) illness stress
causes glucose in urine
DM cushings liver pancreatix dz renal dysfunction
blood sugar over 300 = gets in urine ** you cannot diagnose DM based on urinalysis
causes blood in urine
trauma menses blood thinners UTI renal stones cancer in renal system
in a trauma pt or pt that has been on ground for a long time, blood w/o RBC can =
rhamdomyolysis
if positive for nitrites =
100% specific UTI but low sensitivity
b/c gram neg bugs produce an enzyme named reductase that converts nitrates to nitrites
bilirubin in urine =
hemolytic anemia
bile obstruction
hepatitis
urobilirubin can be seen in hemolysis and in liver disease
gross hematuria microscopically =
menses
CA
UTI
3 biggest causes of post-surg fever
atelectesis
surgical infection
UTI (pt gets foley cath during surgery)
how long in the urine?
amphetamines
THC
Cocaine
30-120 hrs
7-30 days
8-48 hrs
