17 results
Acute Kidney Injury - Differential Diagnosis Framework
PRERENAL:
 - Intrarenal vasoconstriction-hemodynamically mediated
 - Systemic vasodilation
 - Volume
INTRINSIC: - Glomerular ... (red blood cells ... eosinophils/white blood cell ... (renal tubular cell ... underlying cause
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... Differential Diagnosis Algorithm ... present on repeat testing ... including overnight testing ... • Drugs Glomerular
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... Differential Diagnosis Algorithm ... Red blood cells ... Differential #Diagnosis #Algorithm ... #Causes
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
Recommended initial testing ... decreased red cell ... alternative complement pathways ... infections are common causes ... #testing #workup
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
Algorithm - Approach ... .2>5 red blood cells ... /white cell casts ... Nephrocalcinosis causes ... #Algorithm #differential
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
and Diagnosis Algorithm ... mimics, repeat testing ... • Evidence of glomerular ... Nephrology if cause ... Hematuria #Diagnosis #Algorithm
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Algorithm INDICATIONS ... Eosinophilia, 500-1,500 cells ... Hypereosinophilia, >1,500 cells ... for secondary causes ... eosinophilia (common causes
Recommended initial testing for patients being evaluated for glomerular disease
1) 24-hour urine collection - Quantify proteinuria.
Recommended initial testing ... decreased red cell ... alternative complement pathways ... infections are common causes ... diagnosis #initial #testing
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
dysmorphic RBC, RBC casts ... formation along glomerular ... alternative complement pathway ... immune deposits on EM
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Differential Diagnosis Algorithm ... smooth muscle cells ... inversely related to glomerular ... rate by tubulo-glomerular ... Differential #Diagnosis #Algorithm