42 results
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Pain/Post-op • Neurologic ... • Bleeding ... • Reduced GFR, AKI ... Hypo-osmolar urine ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Pain/Post-op • Neurologic ... • Bleeding ... • Reduced GFR, AKI ... Hypo-osmolar urine ... #Hyponatremia #Nephrology
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... - Differential ... dietary intake • Blood ... Elimination: • AKI ... blockers - MCW Nephrology
General approach to AKI - Checklist

Urine electrolytes & FENa - Previously, it was believed that urine
General approach to AKI ... sodium excretion ... FENa) could help differentiate ... @PulmCrit #AKI ... AcuteKidneyInjury #Nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Investigations: full blood ... osmolarity If cause ... screen, including blood ... #Diagnosis #nephrology ... #causes
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
of glomerular bleeding ... → Refer to Nephrology ... cystoscopy • Refer to Nephrology ... if cause not identified ... #blood #urine
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
require urgent nephrology ... common culprits: Hypovolemia ... IMPROVEMENT If the urine ... CONSIDER INTRINSIC CAUSES ... workup #diagnosis #nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... • 1ml blood/liter ... of Glomerular Bleeding ... #urology #nephrology ... blood
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
A urine K/Cr ratio ... • Diarrhea A urine ... losses: • High Blood ... diagnosis #Algorithm #differential ... #potassium #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... volume-based algorithm Urine ... Present (Uosm ≥100): Hypovolemia ... #Hyponatremia #differential ... #nephrology