23 results
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
, urine microscopy ... / urinary sediment ... calcium Optional: urinary ... osmolarity If cause ... • Cardio-renal syndrome
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... clots ➔ Lower Urinary ... pain hematuria syndrome ... Upper and Lower urinary ... #Hematuria #Differential
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
- Urinalysis/microscopy ... UOP/weights - Urine ... rhabdo/TLS) Causes ... pre-renal) - Urinary ... #Differential
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Alkalosis - Differential ... hyperaldosteronism • Low Urine ... (late) • High Urine ... Algorithm #Nephrology #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... • Reduced GFR, AKI ... Hypo-osmolar urine ... suppression • Primary
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... test (with 24-h urine ... or MRI scan of abdomen ... • Cushing’s syndrome ... #Hypertension #Differential
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
wasting from other causes ... A urine K/Cr ratio ... • Diarrhea A urine ... mEq/g suggests urinary ... diagnosis #Algorithm #differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... • Reduced GFR, AKI ... Hypo-osmolar urine ... suppression • Primary
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
- Urinary Chloride ... , Gitelman syndrome ... the indicated causes ... #Urinary #Chloride ... #nephrology #differential
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... and concentrated urine ... Fatty - Nephrotic syndrome ... #Casts #Differential ... #Microscopy #Diagnosis