8 results
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... 2-2.5% or 24h Urine ... Mg < 10g • Diarrhea ... • Gitelman's syndrome ... #Magnesium #Low
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
, Hypomagnesemia ... , a high urine chloride ... Urine chloride is ... the indicated causes ... #urine #Algorithm
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... losses - Chronic diarrhea ... Diagnosis #Low #Magnesium ... Classification #Causes ... #Workup #hypomg
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
• Refeeding Syndrome ... Hypokalemia • Hypomagnesemia ... • Small bowel diarrhea ... : • Aluminum/Magnesium ... endocrinology #causes
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Differential Diagnosis Algorithm ... diarrhea), Sweat ... , Gitelman syndrome ... , Hypomagnesemia ... #causes #urinary
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... potassium(K) & magnesium ... A urine K/Cr ratio ... Laxative use • Diarrhea ... A urine K/Cr ratio
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
hypokalemia, mild hypomagnesemia ... potassium wasting) • Hypomagnesemia ... Hypocalciuria (spot urine ... diarrhea Potential ... • Potassium • Magnesium
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Differential Diagnosis Algorithm ... isolation) GI loss - Urine ... <20mmol/d • Diarrhea ... • Magnesium depletion ... Differential #Diagnosis #Algorithm