15 results
Gitelman Syndrome Pathophysiology
Gitelman Syndrome is a rare autosomal recessive salt-losing tubulopathy with a prevalence of 1-
in the distal tubule ... H+ secretion → Hypokalemia ... Metabolic alkalosis ... Pathophysiology #nephrology ... #diagnosis
Algorithm for Differentiating Gitelman syndrome from Bartter syndrome
 • Urine Chloride
 • Urine Ca/Cr ratio

Dr. Krithika
Differentiating Gitelman ... Chloride • Urine Ca ... krithicism #Gitelman ... Bartter #Algorithm #nephrology ... #hypokalemia #diagnosis
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
distal convoluted tubule ... Hypochloremic metabolic alkalosis ... Rhabdomyolysis Treatment ... #Syndrome #diagnosis ... #nephrology #management
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Kidney loss ... Bartter syndrome, Gitelman ... in the proximal tubule ... urine #Algorithm #nephrology ... #differential #diagnosis
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
differentiating kidney ... - Metabolic Alkalosis ... Bartter syndrome, Gitelman ... #diagnosis #Algorithm ... differential #potassium #nephrology
Gitelman Syndrome - Diagnosis and Workup
Blood Work:
 - Hypokalemia
 - Hypomagnesemia
 - Metabolic Alkalosis
 - Elevated
Gitelman Syndrome ... Blood Work: - Hypokalemia ... Hypomagnesemia - Metabolic Alkalosis ... of echogenic kidneys ... #Workup #nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
patients with hypokalemia ... ↑ Aldosterone: Kidney ... Bartter syndrome, Gitelman ... differential #algorithm #diagnosis ... #nephrology
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
Inherited Defects in Kidney ... Tubule Epithelial ... ascending limb Gitelman ... Inherited #Defects #Kidney ... #Nephrology #Diagnosis
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Transcellular Shifts: - Alkalosis ... plasma insulin (treatment ... diuretic use), Gitelman's ... #differential #diagnosis ... #nephrology
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
: Differential Diagnosis ... indicates a renal tubule ... furosemide-like lesion) • Gitelman ... #Differential #Diagnosis ... #Causes #nephrology