11 results
Hypomagnesemia - Etiologies by Mechanism

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

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
- Differential Diagnosis ... Algorithm Transcellular ... • Refeeding Syndrome ... Hypokalemia • Hypomagnesemia ... : • Aluminum/Magnesium
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... - Differential Diagnosis ... Algorithm • Low ... Magnesium, High ... metastases, Hungry bone syndrome
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... biliary fistula, Diarrhea ... #differential #diagnosis ... #nephrology #magnesium ... #low
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
- Differential Diagnosis ... Algorithm - Urinary ... - Normal/low ... , Gitelman syndrome ... , Hypomagnesemia
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... potassium(K) & magnesium ... Laxative use • Diarrhea ... consumption • Low ... #Hypokalemia #diagnosis
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
- Differential Diagnosis ... Algorithm Appropriately ... Low Kidney Phosphate ... Absorption: Chronic Diarrhea ... #phosphorus #workup
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... alkalosis • Normal/low ... , Gitelman syndrome ... , Hypomagnesemia ... #differential #diagnosis
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