11 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
losses - Chronic diarrhea ... #Differential #Diagnosis ... #Low #Magnesium ... Classification #Causes ... #Workup #hypomg
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Urine Mg < 10g • Diarrhea ... • Gitelman's syndrome ... #Magnesium #Low ... #Diagnosis #Algorithm
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
- Differential Diagnosis ... • Refeeding Syndrome ... Hypokalemia • Hypomagnesemia ... : • Aluminum/Magnesium ... #causes
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
- Differential Diagnosis ... Algorithm - Urinary ... diarrhea), Sweat ... , Hypomagnesemia ... #Algorithm #causes
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Algorithm Cl- ... , Gitelman syndrome ... , Hypomagnesemia ... the indicated causes ... #differential #diagnosis
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Algorithm for the ... Causes of acute ... Irritable bowel syndrome ... #management #algorithm ... #workup #diagnosis
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... biliary fistula, Diarrhea ... #Causes #differential ... #diagnosis #nephrology ... #magnesium #low
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... potassium(K) & magnesium ... wasting from other causes ... Laxative use • Diarrhea ... #Hypokalemia #diagnosis
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 ... diarrhea Potential ... • Potassium • Magnesium ... #diagnosis #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
- Differential Diagnosis ... Algorithm Decreased ... <20mmol/d • Diarrhea ... • Magnesium depletion ... #Algorithm #Causes