153 results
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
WBCs, or urine ... of glomerular bleeding ... → Refer to Nephrology ... for renal biopsy ... cystoscopy • Refer to Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Pain/Post-op • Neurologic ... hypovolemia • Bleeding ... GI losses • Renal ... Hypo-osmolar urine ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Pain/Post-op • Neurologic ... hypovolemia • Bleeding ... GI losses • Renal ... Hypo-osmolar urine ... #Hyponatremia #Nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... of Glomerular Bleeding ... Exercise induced bleeding ... #Hematuria #Differential ... #nephrology #renal
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Algorithm and Differential ... blood count with differential ... , urine dipstick ... Workup #Algorithm #Differential ... #Diagnosis #nephrology
Renal Tubular Acidosis - Differential Diagnosis Algorithm
Decreased Serum K, Urine pH < 5.5 - Proximal RTA
Decreased
Renal Tubular Acidosis ... - Differential ... = Hyperkalemic Renal ... Tubular #Acidosis #Differential ... Diagnosis #Algorithm #nephrology
General approach to AKI - Checklist

Urine electrolytes & FENa - Previously, it was believed that urine
- Checklist Urine ... FENa) could help differentiate ... between pre-renal ... and intrinsic renal ... AcuteKidneyInjury #Nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Water Diuresis (Urine ... Dl • Chronic Renal ... #Polyuria #Differential ... Algorithm #causes #nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Osmolarity 2) Urine ... Osmolarity 3) Urine ... High Uric Acid → renal ... Diagnosis #Algorithm #nephrology
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
of magnesium = (urine ... serum magnesium x urine ... cells FEMg >4% = renal ... Hypomagnesemia #algorithm #differential ... diagnosis #causes #nephrology