Diagnostic Labs Flashcards
1
Q
What makes the diagnosis of Carcinoid syndrome?
A
24 hour urinary 5-HIAA of 30 mg or more. Flushing, diarrhea, wheezing. R-sided valvular issues (TR most common)
2
Q
What makes the diagnosis of Pheochromocytoma?
A
Elevated 24 hour urinary cathecholamines. Headaches, diaphroesis, flushing, palpitations.
3
Q
Diagnosis of pre-renal AKI
A
FeNa <1%. BUN/Cr ratio >20:1. Elevated urine osmolality/specific gravity, increased Cr
