27 results
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
Classification, Differential ... Glucocorticoid deficit - Hypokalemia ... - Diuretics ... Classification #Differential ... #Diagnosis #Table
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
Gestational DI, Nephrogenic ... - Osmotic diuretic ... , Loop diuretics ... Diagnosis #Comparison #Table ... #Nephrology
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... - Differential ... insipidus • Nephrogenic ... #Differential # ... Diagnosis #Causes #nephrology
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... Urinary Losses - Diuretics ... Amphotericin B - Polyuria ... #Differential # ... Low #Potassium #Table
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Insipidus • Nephrogenic ... solute load #Polyuria ... #Differential # ... Algorithm #causes #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... • Hypovolemic: Diuretics ... osmotic (solute) diuresis ... #Differential # ... Workup #Algorithm #nephrology
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
- Differential ... a.k.a. osmotic diuresis ... : Conventional diuretics ... injury, Tumor • Nephrogenic ... #Differential #
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... - Differential ... administration • Osmotic diuresis ... (see Polyuria scheme ... #Nephrology #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... - Differential ... Diagnosis Algorithm Hypovolemia ... Renal losses, Diuretic ... #Differential #
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... - Differential ... /min) Osmotic Diuresis ... Kidney • Nephrogenic ... #Nephrology #Differential