9 results
Localization of Renal Tubular Defects
Fanconi Syndrome: Proximal tubule
Bartter Syndrome: Thick ascending loop of Henle
Gitelman Syndrome: Distal
Bartter Syndrome ... loop of Henle Gitelman ... #Fanconi #Bartter ... Nephron #Defects #Pathophysiology ... #Nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... (late) • High Urine ... Cl-: Diuretics, Bartter ... Syndrome, Gitelman ... #Primary #Metabolic
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... hyperaldosteronism • Low Urine ... (late) • High Urine ... Cl-: Diuretics, Bartter ... Syndrome, Gitelman
Gitelman Syndrome Pathophysiology
Gitelman Syndrome is a rare autosomal recessive salt-losing tubulopathy with a prevalence of 1-
Gitelman Syndrome ... Pathophysiology ... Gitelman Syndrome ... → Hypokalemia Metabolic ... #Syndrome #Pathophysiology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Gitelman Syndrome ... Hypocalciuria (spot urine ... • Bartter syndrome ... • Pseudo Bartter-Gitelman ... #pathophysiology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
diuretic use, Bartter ... syndrome, Gitelman ... syndrome, Hypomagnesemia ... in the proximal tubule ... #Algorithm #nephrology
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... volume contracted: urine ... actively working • Bartter ... furosemide-like lesion) • Gitelman ... Diagnosis #Causes #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
A urine K/Cr ratio ... • Diarrhea A urine ... Pressure: - Metabolic ... Emesis, Diuretics, Bartter ... syndrome, Gitelman
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... hyperaldosteronism • Low Urine ... (late) • High Urine ... Cl-: Diuretics, Bartter ... Syndrome, Gitelman