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

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... losses - Chronic diarrhea ... Familial renal Mg wasting ... #Differential # ... Low #Magnesium #Table
Potassium-Binding Agents to Treat Hyperkalemia
Sodium zirconium cyclosilicate (Lokelma):
 • Mechanism: Preferentially captures K in exchange for
Side Effects: Hypomagnesemia ... constipation, diarrhea ... constipation, diarrhea ... #pharmacology #table ... #comparison #binders
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Hypokalemia (renal potassium ... wasting) • Hypomagnesemia ... ratio 0.5%) Differential ... Congenital chloride diarrhea ... Supplement: • Potassium