18 results
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
- Differential ... Diagnosis Algorithm ... >50% - Proper kidney ... • Nephrogenic ... #Nephrology #Differential
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Diagnosis Algorithm ... Insipidus • Nephrogenic ... #Differential # ... #causes #nephrology
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... - Differential ... Diagnosis Inadequate ... insipidus • Nephrogenic ... #nephrology #sodium
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential ... Diagnosis Algorithm ... diuresis (see Polyuria ... #Nephrology #Differential ... #Diagnosis #Algorithm
BEHIND - Stroke Mimics Mnemonic
Brain: Mass, Hemorrhage, Contusion
Epilepsy: Post Ictal State, 
Hyponatremia, Hypogycemia
Intoxication, Infection
Neuro: Migraine, Multiple
Ictal State, Hyponatremia ... Mimics #Mnemonic #CVA ... #Neurology #Diagnosis ... #Differential
Acute Kidney Injury (AKI) - Differential Diagnosis Framework

PRE-Renal AKI:
 • Hypovolemia
 • Congestion
 • Medications
 •
Acute Kidney Injury ... (AKI) - Differential ... Diagnosis Framework ... External obstruction, Neurogenic ... #Diagnosis #nephrology
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
- Differential ... Diagnosis Excess ... #Differential # ... Diagnosis #Causes ... #nephrology
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Acute Kidney Injury ... (AKI) - Differential ... Diagnosis Framework ... Nephrolithiasis) • Neurogenic ... #Diagnosis #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... insipidus (central or nephrogenic ... #Differential # ... Diagnosis #Workup ... #Algorithm #nephrology
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
Differential Diagnosis ... The differential ... , Dehydration: neurologic ... Diabetes Insipidus: neurogenic ... #management #nephrology