23 results
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... - Differential ... water loss, Serum Sodium ... 145 mmol/L High Urine ... glucosuria Low Urine
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... clots ➔ Lower Urinary ... microscopic and ... Upper and Lower urinary ... #Hematuria #Differential
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... Oral sodium loading ... test (with 24-h urine ... or MRI scan of abdomen ... #Hypertension #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... Hypo-osmolar urine ... suppression • Primary ... #Nephrology #Differential
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... treat underlying cause ... Solute Intake - Primary ... #Differential # ... diagnosis #nephrology #sodium
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... Hypo-osmolar urine ... suppression • Primary ... #Nephrology #Differential
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Sodium Theophilus ... Microscopic exam ... • Urinary casts ... sodium < 20 mEq ... #UNa #casts #glucosuria
A lazy man's classification of hyponatremia
There are two possible approaches to the diagnosis of hyponatremia: .
classification of hyponatremia ... serum osmolality, urine ... osmolality and urinary ... sodium). ... #Algorithm #Differential
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... renal failure - Primary ... #Differential # ... Diagnosis #Table #Causes ... #Sodium
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 ... Diagnosis #nephrology #causes