14 results
Localization of Renal Tubular Defects
Fanconi Syndrome: Proximal tubule
Bartter Syndrome: Thick ascending loop of Henle
Gitelman Syndrome: Distal
Renal Tubular Defects ... loop of Henle Gitelman ... Fanconi #Bartter #Gitelman ... #Pathophysiology ... #Nephrology
Gitelman Syndrome Pathophysiology
Gitelman Syndrome is a rare autosomal recessive salt-losing tubulopathy with a prevalence of 1-
Gitelman Syndrome ... Gitelman Syndrome ... thiazide-sensitive sodium-chloride ... #Syndrome #Pathophysiology ... #nephrology #diagnosis
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
Inherited Defects ... ascending limb Gitelman ... of epithelial sodium ... #Kidney #Nephrology ... #Diagnosis #Differential
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
- Gitelman ... syndrome - ... Genetic defects ... Hypomagnesemia #Differential ... Classification #Causes #Workup
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... Diagnosis Workup ... , Cushing syndrome ... #Algorithm #nephrology ... #sodium
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Gitelman Syndrome ... thiazide-sensitive sodium ... ratio 0.5%) Differential ... #nephrology #management ... #pathophysiology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI Workup ... electrolytes, urea ... • Cardio-renal syndrome ... #Injury #AKI #Workup ... #Diagnosis #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
diuretic use, Bartter syndrome ... , Gitelman syndrome ... the excretion of sodium ... urine #Algorithm #nephrology ... #differential #
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Metabolic Alkalosis: Differential ... tubule reabsorptive defect ... furosemide-like lesion) • Gitelman ... Metabolic #Alkalosis #Differential ... Diagnosis #Causes #nephrology
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
Stiff Person Syndrome ... Pathophysiology ... antibody that works ... others (botox, sodium ... Management #treatment #neurology