4 results
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
NG drainage - Diarrhea ... - Polyuria - Hypomagnesemia ... #Diagnosis #Low ... #Potassium #Table ... #Classification
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
losses - Chronic diarrhea ... #Differential # ... Diagnosis #Low # ... Magnesium #Table ... #Classification
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Congenital chloride diarrhea ... alkalosis • Normal/low ... Gitelman syndrome, Hypomagnesemia ... #Algorithm #nephrology ... #differential #
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
alkalosis • Normal or low ... Hypocalciuria (spot urine ... ratio 0.5%) Differential ... Congenital chloride diarrhea ... Syndrome #diagnosis #nephrology