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

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm ... - Diabetes Insipidus ... #Sodium #nephrology ... #insipidus #DI
Two-step Copeptin algorithm for differential diagnosis of Diabetes Insipidus (DI)

Baseline Copeptin < 21.4 pmol/L:
 • Arginine-stimulated
Insipidus (DI) ... partial Central DI ... → Nephrogenic DI ... #DI #algorithm ... #copeptin #nephrology
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
neurogenic diabetes insipidus ... gene encoding AVP-NPII ... causes (e.g., hypokalemia ... Classification #Types #Nephrology ... #Diagnosis #Differential
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential ... Diagnosis Algorithm ... starts by measuring ... diagnosis #algorithm ... #causes #nephrology
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
of Polyuria - Differential ... Diagnosis Excess ... Diabetes Insipidus ... • Nephrogenic DI ... #nephrology
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
Diagnosis and Treatment ... The differential ... urine osm (in DI ... post-obstructive 3) Diabetes Insipidus ... #management #nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Hypocalciuria (spot ... ratio 0.5%) Differential ... Dx? ... Gitelman #Syndrome #diagnosis ... #nephrology #management
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
to be in ADHF starts ... auscultation, JVD ... patient causing hypovolemia ... #diagnosis #differential ... #algorithm #management