23 results
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... - Differential ... Diagnosis Inadequate ... • Nephrogenic ... #nephrology #sodium
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm ... - Diabetes Insipidus ... Algorithm #Sodium #nephrology ... #insipidus #DI
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... Euvolemic: Diabetes insipidus ... (central or nephrogenic ... #Differential # ... #Algorithm #nephrology
Acute Kidney Injury (AKI) - Differential Diagnosis Framework

PRE-Renal AKI:
 • Hypovolemia
 • Congestion
 • Medications
 •
) - Differential ... Diagnosis Framework ... External obstruction, Neurogenic ... Kidney #Injury #Differential ... #Diagnosis #nephrology
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
Central or neurogenic ... diabetes insipidus ... Surgery, Idiopathic Nephrogenic ... Classification #Types #Nephrology ... #Diagnosis #Differential
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Diagnosis Algorithm ... • Nephrogenic ... Diabetes Insipidus ... #causes #nephrology
Central vs Nephrogenic Diabetes Insipidus - Desmopressin Challenge
Give desmopressin (intranasal, SQ, IV) and monitor UOsm every
Diabetes Insipidus ... Complete CDI - VA ... #Diabetes #Insipidus ... Desmopressin #Challenge #diagnosis ... #nephrology #testing
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
Differential Diagnosis ... , Dehydration: neurologic ... post-obstructive 3) Diabetes Insipidus ... : neurogenic, nephrogenic ... #management #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential ... Diagnosis Algorithm ... kg • Diabetes Insipidus ... #Nephrology #Differential ... #Diagnosis #Algorithm
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Kidney Injury (AKI ... ) - Differential ... Diagnosis Framework ... Nephrolithiasis) • Neurogenic ... #Diagnosis #nephrology