312 Nephrolithiasis Flashcards
Minimum urine volume to prevent stone formation (H20 C312 P2171)
2 L
Most common type of nephrolithiasis (H20 C312 P2168)
Calcium oxalate stones
Risk of stone formation doubles when urine output is: (H20 C312 P2169)
<1 L/d
Traditionally considered “radiolucent” stone (H20 C312 P2170)
Uric acid stone
Most clinicaly important inhibitor of calcium-containing stones (H20 C312 P2168)
Urine citrate
Preferred therapy for cystine stones (H20 C312 P2172)
Tiopronin
Target urine pH in treatment of cystine stone (H20 C312 P2172)
7.5
Recommended sodium intake to decrease urinary excretion of calcium (H20 C312 P2173)
<2.5 g/d
The only known strategy that reduces endogenous oxalate production (H20 C312 P2172)
Avoiding high-dose vitamin C supplements