8 results
Gitelman Syndrome Pathophysiology
Gitelman Syndrome is a rare autosomal recessive salt-losing tubulopathy with a prevalence of 1-
thiazide-sensitive sodium-chloride ... in the distal tubule ... Hypokalemia Metabolic alkalosis ... Pathophysiology #nephrology ... #diagnosis
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
ascending limb Gitelman ... cell epithelial sodium ... of epithelial sodium ... Defects #Kidney #Nephrology ... #Diagnosis #Differential
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Bartter syndrome, Gitelman ... in the proximal tubule ... urine #Algorithm #nephrology ... #differential # ... diagnosis
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
thiazide-sensitive sodium ... distal convoluted tubule ... ratio 0.5%) Differential ... #Syndrome #diagnosis ... #nephrology #management
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
: Differential Diagnosis ... postchronic hypercapnia (acute ... furosemide-like lesion) • Gitelman ... #Differential # ... #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Diagnosis Framework ... paraproteinemia, acute ... resp. alkalosis ... Fanconi syndrome, CA ... Workup #phosphate #nephrology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acute or chronic ... Compensation, Acute ... Diagnosis: Causes ... sedation, narcotics, CVA ... #Summary #Nephrology
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Transcellular Shifts: - Alkalosis ... diuretic use), Gitelman's ... Hypomagnesemia, Acute ... Hypokalemia #Causes #differential ... #diagnosis #nephrology