12 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
Algorithm for Differentiating Gitelman syndrome from Bartter syndrome
 • Urine Chloride
 • Urine Ca/Cr ratio

Dr. Krithika
syndrome from Bartter ... syndromeUrine ... Chloride • Urine ... #syndrome #Bartter ... #Algorithm #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
hyperaldosteronism • Low Urine ... (late) • High Urine ... Cl-: Diuretics, Bartter ... Syndrome, Gitelman ... Diagnosis #Algorithm #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
hyperaldosteronism • Low Urine ... (late) • High Urine ... Cl-: Diuretics, Bartter ... Syndrome, Gitelman ... Diagnosis #Algorithm #Nephrology
Gitelman Syndrome Pathophysiology
Gitelman Syndrome is a rare autosomal recessive salt-losing tubulopathy with a prevalence of 1-
Gitelman Syndrome ... Pathophysiology ... Gitelman Syndrome ... in the distal tubule ... #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
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 ... Liddle syndrome ... Defects #Kidney #Nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
excess, Liddle syndrome ... Mg2+ deficiency, Bartter ... syndrome, Gitelman ... syndrome #hypokalemia ... algorithm #diagnosis #nephrology
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
volume contracted: urine ... volume expanded: 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 ... Emesis, Diuretics, Bartter ... syndrome, Gitelman ... differential #potassium #nephrology