17 results
Water Deprivation Test - Differential Diagnosis of Diabetes Insipidus (DI)
Concept of WDT: endogenous vasopressin secretion is
Water Deprivation Test ... - Differential ... Diagnosis of Diabetes ... Insipidus (DI) ... Diagnosis #algorithm
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm ... - Diabetes Insipidus ... & desmopressin test ... Sodium #nephrology #insipidus
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
of Polyuria - Differential ... Diagnosis Algorithm ... Water Deprivation Test ... Water Deprivation Test ... Insipidus - DDAVP
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Diagnosis Algorithm ... Insipidus • Nephrogenic ... Diabetes Insipidus ... #Diagnosis #Algorithm
Diabetes Insipidus - Diagnosis Algorithm
Tests:
 • Osmolality, Urine AND/OR
 • Osmolality, Serum or Plasma AND
 •
Diabetes Insipidus ... - Diagnosis Algorithm ... Tests: • Osmolality ... Water deprivation test ... #differential
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... Diagnosis Algorithm ... 100 mosm/kg • Diabetes ... Insipidus • Primary ... #Diagnosis #Algorithm
Causes of Enuresis - Differential Diagnosis Algorithm
Primary Nocturnal Enuresis (Urinary Control Never Achieved)
 • Delayed Maturation
of Enuresis - Differential ... Diagnosis Algorithm ... • Cystitis • Diabetes ... Insipidus, Urethral ... #Diagnosis #Algorithm
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Hypernatremia - Differential ... Diagnosis Algorithm ... 300 mmol/kg • Diabetes ... Insipidus Hypodipsia ... #Diagnosis #Algorithm
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... Diagnosis Workup Algorithm ... • Euvolemic: Diabetes ... insipidus (central ... Hypernatremia #Differential
Two-step Copeptin algorithm for differential diagnosis of Diabetes Insipidus (DI)

Baseline Copeptin < 21.4 pmol/L:
 • Arginine-stimulated
Two-step Copeptin algorithm ... for differential ... diagnosis of Diabetes ... Insipidus (DI) ... #Insipidus #DI