13 results
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... Low intake ... Medication • Hypomagnesemia ... Renal tubular acidosis ... • Gitelman's
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Differential Diagnosis ... Bartter syndrome and Gitelman ... diagnosis #causes ... #nephrology #magnesium ... #low
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... Renal tubular acidosis ... Diagnosis #Low # ... Potassium #Table ... Classification #Causes
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Bartter syndrome, Gitelman ... #causes #potassium ... #low #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Renal K loss • Hypomagnesemia-induced ... Renal tubular acidosis ... Bartter's syndrome, Gitelman's ... #causes #nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
alkalosis • Normal or low ... ratio 0.5%) Differential ... Renal tubular acidosis ... #Syndrome #diagnosis ... #nephrology #management
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
syndromes - Gitelman ... #Differential # ... Diagnosis #Low # ... Magnesium #Table ... Classification #Causes
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... plasma insulin (treatment ... Renal tubular acidosis ... #Causes #differential ... #diagnosis #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Bartter syndrome, Gitelman ... - Metabolic acidosis ... #diagnosis #Algorithm ... #differential # ... potassium #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
alkalosis • Normal/low ... syndrome, Hypomagnesemia ... the indicated causes ... #differential # ... diagnosis