21 results
Localization of Renal Tubular Defects
Fanconi Syndrome: Proximal tubule
Bartter Syndrome: Thick ascending loop of Henle
Gitelman Syndrome: Distal
Localization of Renal ... Proximal tubule Bartter ... #Fanconi #Bartter ... Nephron #Defects #Pathophysiology ... #Nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Extra-renal Losses ... loss (Diarrhea) Renal ... thiazide diuretics, Bartter ... syndrome, Gitelman ... #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Differential Diagnosis Algorithm ... Cl-: Diuretics, Bartter ... Syndrome, Gitelman ... hyperaldosteronism • High PRA: Renal ... #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Differential Diagnosis Algorithm ... Cl-: Diuretics, Bartter ... Syndrome, Gitelman ... hyperaldosteronism • High PRA: Renal ... #Nephrology #Causes
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Low intake ... oral intake Renal ... tubular acidosis • Gitelman's ... syndromeBartter's ... AndreMansoor - Author of Frameworks
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Hypomagnesemia - Familial: Bartter ... syndrome and Gitelman ... syndrome, Isolated ... diagnosis #causes #nephrology ... #magnesium #low
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... Differential Diagnosis Framework ... FEPO4 ≥ 5% - Renal ... • Normal or Low ... #nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Differential Diagnosis Algorithm ... h - Diuretics, Bartter's ... syndrome, Gitelman's ... Differential #Diagnosis #Algorithm ... #nephrology #causes
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
suggests extra-renal ... Emesis, Diuretics, Bartter ... syndrome, Gitelman ... differential #potassium #nephrology ... #low
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Gitelman Syndrome ... alkalosis • Normal or low ... • Bartter syndrome ... • Pseudo Bartter-Gitelman ... #pathophysiology