1890 results
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Differential Diagnosis Algorithm ... kg) • Primary Polydipsia ... Central Diabetes Insipidus ... Nephrogenic Diabetes Insipidus ... Differential #Diagnosis #Algorithm
Two-step Copeptin algorithm for differential diagnosis of Diabetes Insipidus (DI)

Baseline Copeptin < 21.4 pmol/L:
 • Arginine-stimulated
Two-step Copeptin algorithm ... diagnosis of Diabetes Insipidus ... pmol/L → Primary polydipsia ... DI #Diabetes #Insipidus ... #DI #algorithm
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Differential Diagnosis Algorithm ... kg • Diabetes Insipidus ... • Primary Polydipsia ... Differential #Diagnosis #Algorithm
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Differential Diagnosis Algorithm ... Test • Primary polydipsia ... Central Diabetes Insipidus ... Nephrogenic Diabetes Insipidus ... Differential #Diagnosis #Algorithm
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 ... demeclocycline) Primary polydipsia ... #Diabetes #Insipidus
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Differential Diagnosis Algorithm ... - Diabetes Insipidus ... Hypernatremia #Management #Algorithm ... Sodium #nephrology #insipidus
Water Deprivation Test - Differential Diagnosis of Diabetes Insipidus (DI)
Concept of WDT: endogenous vasopressin secretion is
Diagnosis of Diabetes Insipidus ... capacity #Diabetes #Insipidus ... Differential #Diagnosis #algorithm
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Water: • Primary polydipsia ... "psychogenic polydipsia ... Diabetes Insipidus
Diabetes Insipidus vs Syndrome of Inappropriate ADH (SIADH) - Comparison Table

Diabetes Insipidus - Inadequate ADH
SIADH -
Diabetes Insipidus ... Table Diabetes Insipidus ... #Diabetes #Insipidus
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis Algorithm ... Consider: Primary polydipsia ... #differential #algorithm