13 results
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... Diagnosis Algorithm Low ... anions • Renal tubular ... acidosisGitelman's ... #Differential #
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... excess - Renal tubular ... acidosis (Types ... Diagnosis #Low # ... Potassium #Table
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... • Metabolic acidosis ... Bartter syndrome, Gitelman ... #Differential # ... #nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
distal convoluted tubule ... alkalosis • Normal or low ... ratio 0.5%) Differential ... syndrome, Renal tubular ... acidosis (RTA))
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Transient renal tubular ... syndromes - Gitelman ... Hypomagnesemia #Differential ... #Diagnosis #Low ... #Magnesium #Table
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential ... • Renal tubular ... acidosis (type ... Bartter's syndrome, Gitelman's ... #differential #
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
ascending limb Gitelman ... acidosis - alpha-Intercalated ... Defects #Kidney #Nephrology ... #Diagnosis #Differential ... #Table
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
consumption • Low ... Bartter syndrome, Gitelman ... - Metabolic acidosis ... diagnosis #Algorithm #differential ... #low
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
alkalosis • Normal/low ... Bartter syndrome, Gitelman ... high in kidney tubular ... urine #Algorithm #nephrology ... #differential #
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
(NAGMA) - Differential ... Framework and Workup ... Hypoaldosteronism - Renal Tubular ... #Diagnosis #Workup ... #nephrology