7 results
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
NG drainage - Diarrhea ... Renal tubular acidosis ... Catecholamines - Alkalosis ... #Low #Potassium ... Classification #Causes
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... - RTA - Diarrhea ... Differential #Algorithm #Diagnosis ... #Causes #Workup
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... Laxative use • Diarrhea ... - Metabolic Alkalosis ... - Metabolic acidosis ... #diagnosis #Algorithm
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
• Normal/low blood ... due to diarrhea ... the indicated causes ... of sodium and potassium ... #differential #diagnosis
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Normal or low blood ... (renal potassium ... Renal tubular acidosis ... Congenital chloride diarrhea ... Gitelman #Syndrome #diagnosis
Causes of Hypokalemia
I. Decreased intake
   A. Starvation
   B. Clay ingestion
II. Redistribution into
Causes of Hypokalemia ... Metabolic alkalosis ... Gastrointestinal loss (diarrhea ... #Differential #Diagnosis ... #Low #Potassium
Bulimia Nervosa: Complications
GASTROINTESTINAL
 • Dehydration & inability to digest food -> Constipation
 • Recurrent vomiting exposes
acids elevated blood ... hormone levels cause ... lead to metabolic alkalosis ... lead to metabolic acidosis ... loss of HCO3- in diarrhea