42 results
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
- Osmotic diuretic ... , Loop diuretics ... Postobstructive diuresis ... Classification #Features #Diagnosis ... Comparison #Table #Nephrology
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... - Differential Diagnosis ... • Osmotic diuresis ... #Differential #Diagnosis ... #Causes #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... • Euvolemic (Low ... • Hypovolemic: Diuretics ... , osmotic (solute ... Workup #Algorithm #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential Diagnosis ... administration • Osmotic ... diuresis (see Polyuria ... mannitol, glucosuria Low ... #Nephrology #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... - Differential Diagnosis ... Renal losses, Diuretic ... alkalosis, Ketonuria, Osmotic ... Algorithm #Causes #nephrology
Hyponatremia Correction
1. Indications for Hypertonic Saline: seizure, coma, focal findings
   - typically occurs with
Hyponatremia Correction ... → Osmotic Demyelination ... 3cc/kg/h, loop diuretics ... Correction #goal #rate #management ... #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
periodic paralysis Osmotic ... disequilibrium syndrome • Diagnosis ... irrigation • Management ... Tolvaptan) • Treatment ... #Nephrology #Pharmacology
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
Differential Diagnosis ... unavailable 2) Osmotic ... Diuresis: HHS, ... #Treatment #management ... #nephrology #sodium
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
plasma insulin (treatment ... thiazide-like diuretics ... , Osmotic diuresis ... #differential #diagnosis ... #nephrology
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
- Differential Diagnosis ... Solute (a.k.a. osmotic ... diuresis): • ... • Central Dl (Low ... #Causes #nephrology