UWorld Questions Flashcards
1
Q
In a patient presenting with normal BUN:Cr (10-15:1) with high urine Na and high serum Ca, what does that suggest about the etiology of kidney injury?
A
Normal BUN:Cr with a high urine Na suggests ATN due to tubule impairment, and since normally renal injury causes hypoCa, the high Ca indicates a multiple myeloma etiology
2
Q
What does renal injury usually cause low Ca?
A
Phosphorus excretion impairment causes crystals to form after binding to Ca
3
Q
What common drug for CAD is myotoxic and may lead to renal injury through rhabdomyolysis?
A
Statins