8 results
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Metabolic Alkalosis - Differential ... diarrhea), Sweat ... - Normal/low ... Bartter syndrome, Gitelman ... syndrome, Hypomagnesemia
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
losses - Chronic diarrhea ... syndromes - Gitelman ... #Differential # ... Diagnosis #Low # ... Magnesium #Table #Classification
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
diarrhea ... alkalosis • Normal/low ... Bartter syndrome, Gitelman ... syndrome, Hypomagnesemia ... Algorithm #nephrology #differential
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
- Differential ... Urine Mg < 10g • Diarrhea ... nephrocalcinosis (FHHNC) • Gitelman's ... #Magnesium #Low ... #Causes #Differential
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
hypokalemia, mild hypomagnesemia ... alkalosis • Normal or low ... potassium wasting) • Hypomagnesemia ... ratio 0.5%) Differential ... diarrhea Potential
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... Diagnosis Algorithm Low ... Medication • Hypomagnesemia ... tubular acidosis • Gitelman's ... Algorithm #Causes #Classification
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... NG drainage - Diarrhea ... - Polyuria - Hypomagnesemia ... #Diagnosis #Low ... Potassium #Table #Classification
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Hypochloremia - Differential ... Decreased Intake: • Low ... NGT suction - Diarrhea ... - Bartter - Gitelman ... • Fatigue Chloride