Stones UTIs Flashcards
kidney stone risk factors
family hx (3x), hyperparathyroidism, RTA, diabetes, gout, dehydration
most common kidney stone is _____ and it is usually due to _____
calcium oxalate stone; idiopathic hypercalciuria
calcium phosphate stones form in ___ urine pH and are assoc with ____
high; UTIs
struvite (infection) stones are associated with?
urease producting bacteria (like proteus) (chronic catheters, urinary diversion, obstruction)
prevention of struvite stones
long-term ABX and/or urease inhibitor (makes you SICK)
risk factors for uric acid stone
dehydration, gout, high protein diet
tx of uric acid stone
fluid intake + urine alkalinization (bc they occur in low urine pH)
cystine stones occur due to? and are tx with?
AR genetic defect in dibasic AA transport; fluid + urine alkalinization + chelating agents
sx of kidney stone
acute colicky pain (CVA tenderness), LUTS, hematuria, N/V
evaluation of suspected kidney stone
urinalysis + noncontrast CT scan of abdomen/pelvis
severe stone presentation requires urgent decompression with?
ureteral stent or percutanous nephrostomy
this medication can help aid passage of a kidney stone
alpha blocker (tamsulosin)
basic labs that should be collected after someone has a kidney stone
serum calcium, uric acid, bicarb, creatinine
dietary px of kidney stone
increased fluid, low salt, normal calcium, low oxalate, low purine (meat), increased citrate
medical tx of hypercalciuria
thiazide diuretic