11 results
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
- Osmotic diuretic ... , Loop diuretics ... Postobstructive diuresis ... Diagnosis #Comparison #Table ... #Nephrology
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... - Differential ... concentrating defect: • Diuretics ... • Osmotic diuresis ... insipidus • Nephrogenic
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
hyperaldosteronism, Secondary ... , Osmotic diuresis ... loop diuretic use ... thiazide diuretic ... Hypokalemia #Causes #differential
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
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Diuretics and Agents ... Altitude sickness • Diuretic ... ; High-Ceiling Diuretics ... #Diuretics # ... #Medications #Table
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
of Polyuria - Differential ... a.k.a. osmotic diuresis ... : Conventional diuretics ... injury, Tumor • Nephrogenic ... Hypercalcemia Polyuria Mimics
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Renal Sodium loss (diuretics ... deficiency, Post-AKI diuresis ... (AKI, Post-AKI diuresis ... #differential # ... diagnosis #table
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
Differential Diagnosis ... The differential ... , Dehydration: neurologic ... unavailable 2) Osmotic Diuresis ... Diabetes Insipidus: neurogenic
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... rapid response to diuretics ... Carcinomatosis #Mimic ... #Differential # ... Comparison #Table
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... exertion/training - Seizures ... Hyperuricemia • Hyponatremia ... per day until stable ... Loop diuretics for