605 results
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Algorithm - Diabetes Insipidus ... Management #Algorithm #Sodium ... #nephrology #insipidus
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Central diabetes insipidus ... Nephrogenic diabetes insipidus ... Diagnosis #Causes #nephrology ... #sodium #high
#visualabstract #nephrology #copeptin #diabetesinsipidus #NEJM
A Copeptin based approach to diagnose Diabetes insipidus
visualabstract #nephrology ... diagnose Diabetes insipidus
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
water loss, Serum Sodium ... kg • Diabetes Insipidus ... Hypernatremia #Nephrology
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
cell epithelial sodium ... of epithelial sodium ... Nephrogenic diabetes insipidus ... Defects #Kidney #Nephrology
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Insensible losses Sodium ... Central Diabetes Insipidus ... Nephrogenic Diabetes Insipidus
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Central Diabetes Insipidus ... Nephrogenic Diabetes Insipidus ... Algorithm #causes #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Euvolemic: Diabetes insipidus ... Workup #Algorithm #nephrology ... #sodium
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
examination, check urine sodium ... acid: - Urine sodium ... hyponatremia - Urine sodium ... Algorithm #Diagnosis #Nephrology
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
Classification of Diabetes Insipidus ... neurogenic diabetes insipidus ... Nephrogenic diabetes insipidus ... #Diabetes #Insipidus ... Classification #Types #Nephrology