35 results
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
of magnesium = (urine ... serum magnesium x urine ... intake, Gl loss, shift ... #differential #diagnosis ... #causes #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential Diagnosis ... paraproteinemia, acute ... leukemia Measure Urine ... Transcellular Shift ... Workup #phosphate #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
- Differential Diagnosis ... Redistribution/ Shift ... into cells - Acute ... Catecholamines - Acute ... Algorithm #causes #nephrology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup and Diagnosis ... repeat testing • Acute ... → Refer to Nephrology ... cystoscopy • Refer to Nephrology ... uw_IMresidency #Hematuria #Diagnosis
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... and Differential Diagnosis ... clinical context and signs ... #Differential #Diagnosis ... #nephrology #causes
General approach to AKI - Checklist

Urine electrolytes & FENa - Previously, it was believed that urine
- Checklist Urine ... believed that urine ... performance for diagnosing ... acute tubular interstitial ... AcuteKidneyInjury #Nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Urine K+ <13 mEq ... creatinine) • Cell shift ... loss: Diarrhea Urine ... differential #algorithm #diagnosis ... #nephrology
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
- Differential Diagnosis ... t-PA, heparin Acute ... Transcellular Shift ... #Differential #Diagnosis ... Workup #phosphate #nephrology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
- Differential Diagnosis ... day, Increased Urine ... Recovery from Acute ... #Polyuria #Nephrology ... #Differential #Diagnosis
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
tubular cells - Acute ... Red cell casts - Diagnostic ... protein indicating acute ... Microscopy #Atlas #key #diagnosis ... #nephrology #casts