2199 results
Water Deprivation Test - Differential Diagnosis of Diabetes Insipidus (DI)
Concept of WDT: endogenous vasopressin secretion is
Deprivation Test - Differential ... Diabetes Insipidus (DI ... Diabetes #Insipidus #DI ... Deprivation #Test #Differential
Two-step Copeptin algorithm for differential diagnosis of Diabetes Insipidus (DI)

Baseline Copeptin < 21.4 pmol/L:
 • Arginine-stimulated
algorithm for differential ... Diabetes Insipidus (DI ... partial Central DI ... → Nephrogenic DI ... copeptin #nephrology #differential
Polyuria - Differential Diagnosis
Solute Diuresis
 • Na intake/saline
 • Glucosuria: Hyperglycemia, SGLT-2 inhibitors
 • Urea: Exogenous
Polyuria - Differential ... Polydipsia • Central DI ... #Polyuria #Differential
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... nephrology #insipidus #DI
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
of Polyuria - Differential ... • Nephrogenic DI ... #Polyuria #Differential
Lithium Induced Kidney Diseases:
Electrolyte Disorders:
 • Nephrogenic DI
 • Incomplete distal RTA
 • Hypercalcemia
Tubular/interstitial disorders:
• Nephrogenic DI ... Kidney #Diseases #differential
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
Hypernatremia - Differential ... The differential ... urine osm (in DI ... Hypernatremia #Differential
Types of Renal Calculi

Calcium oxalate
 - Interstitial apatite plaque, Low urine volume, Increased urinary calcium excretion,
of cysteine and di-basic ... Renal #stones #differential
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
hypernatremia - DI ... Central Dl, Partial DI ... , Gestational DI ... , Nephrogenic DI
Hypernatremia - Diagnostic Evaluation Algorithm
Step 1: Consider history. Most patients presenting with hypernatremia are either very
If patient has DI