27 results
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
hypernatremia - Osmotic diuretic ... , Loop diuretics ... Postobstructive diuresis ... #Comparison #Table ... #Nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Diagnosis Algorithm ... 3L /day Water Diuresis ... Insipidus Mixed Diuresis ... Failure Solute Diuresis ... #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Diuretics and Agents ... Altitude sickness • Diuretic ... disequilibrium syndrome • Diagnosis ... #Nephrology #Pharmacology ... #Medications #Table
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
- Differential Diagnosis ... a.k.a. osmotic diuresis ... : Conventional diuretics ... Diabetes Insipidus ... #Causes #nephrology
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Diagnosis Algorithm ... mosm/kg • Solute Diuresis ... 100 mosm/kg • Diabetes ... #Differential #Diagnosis ... #Algorithm #nephrology
Pharmacokinetics of commonly used diuretics medications in CKD, Cirrhotic Ascites, and Heart Failure
 • Furosemide
 •
commonly used diuretics ... medications in ... Spironolactone MCW Nephrology ... MCW_Nephrology #diuretics ... #table
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Loop and thiazide diuretics ... Hypokalemia - Osmotic diuresis ... - Uncontrolled diabetes ... Post-obstructive diuresis ... #Classification
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
- Differential Diagnosis ... Algorithm Polyuria ... /min) Osmotic Diuresis ... #Nephrology #Differential ... #Diagnosis #Algorithm
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
- Differential Diagnosis ... Renal losses, Diuretic ... Ketonuria, Osmotic diuresis ... , UNa < 20 • Nephrotic ... #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Workup Algorithm ... • Hypovolemic: Diuretics ... osmotic (solute) diuresis ... • Euvolemic: Diabetes ... #nephrology #sodium