2199 results
Water Deprivation Test - Differential Diagnosis of Diabetes Insipidus (DI)
Concept of WDT: endogenous vasopressin secretion is
Deprivation Test - Differential ... Diagnosis of Diabetes Insipidus ... capacity #Diabetes #Insipidus ... Deprivation #Test #Differential
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Hypernatremia - Differential ... Central diabetes insipidus ... Nephrogenic diabetes insipidus ... Hypernatremia #Differential
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Algorithm - Diabetes Insipidus ... Sodium #nephrology #insipidus
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Central Diabetes Insipidus ... Nephrogenic Diabetes Insipidus ... #Polyuria #Differential
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 ... Nephrology #Diagnosis #Differential
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Hypernatremia - Differential ... Central Diabetes Insipidus ... Nephrogenic Diabetes Insipidus ... Hypernatremia #Differential
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
of Polyuria - Differential ... Central Diabetes Insipidus ... Nephrogenic Diabetes Insipidus ... Polyuria #Nephrology #Differential
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... kg • Diabetes Insipidus ... Polydipsia #Polyuria #Differential
Glomerular Diseases - Spectrum
 - Insidious vs Acute
 - Nephritic (hypertension, hematuria, renal failure) vs Nephrotic
- Spectrum - Insidious ... Diseases #Spectrum #differential
Two-step Copeptin algorithm for differential diagnosis of Diabetes Insipidus (DI)

Baseline Copeptin < 21.4 pmol/L:
 • Arginine-stimulated
algorithm for differential ... diagnosis of Diabetes Insipidus ... DI #Diabetes #Insipidus ... copeptin #nephrology #differential