16 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
Gitelman Syndrome Pathophysiology
Gitelman Syndrome is a rare autosomal recessive salt-losing tubulopathy with a prevalence of 1-
Gitelman Syndrome ... Gitelman Syndrome ... → Hypokalemia Metabolic ... #Syndrome #Pathophysiology ... #nephrology #diagnosis
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Low intake • Metabolic ... thiazide diuretics, Bartter ... syndrome, Gitelman ... potassium #low #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... - Differential Diagnosis ... Cl-: Diuretics, Bartter ... Syndrome, Gitelman ... #Algorithm #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... - Differential Diagnosis ... Cl-: Diuretics, Bartter ... Syndrome, Gitelman ... #Algorithm #Nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Gitelman Syndrome ... • Bartter syndrome ... • Pseudo Bartter-Gitelman ... #Syndrome #diagnosis ... #pathophysiology
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
acid transporter Bartter ... syndrome - Na-K ... ascending limb Gitelman ... Defects #Kidney #Nephrology ... #Diagnosis #Differential
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
: Differential Diagnosis ... actively working • Bartter ... furosemide-like lesion) • Gitelman ... #Differential #Diagnosis ... #Causes #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
diuretic use, Bartter ... syndrome, Gitelman ... syndrome, Hypomagnesemia ... in the proximal tubule ... #differential #diagnosis
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
- Differential Diagnosis ... - Diuresis - Bartter ... - Gitelman ... SIGNS: • Muscle ... #Algorithm #Pathophysiology