6 results
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
- Differential ... Urine Mg < 10g • Diarrhea ... Diuretics • Hypercalcemia-PTH ... other EGFR ab • Genetics ... #Magnesium #Low
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
losses - Chronic diarrhea ... - Hypokalemia ... syndrome - Genetic ... #Differential # ... Diagnosis #Low #
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Hypophosphatemia - Differential ... Diagnosis Algorithm ... Alkalosis • Hypokalemia ... • Hypomagnesemia ... • Small bowel diarrhea
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
transplant - SLE ... Ketoconazole Low ... Diabetes mellitus - Acute ... #Algorithm #diagnosis ... #differential #
Causes of a low fecal elastase
Abnormal pancreatic imaging:
Chronic pancreatitis, Pancreatic tumours including cystic disease, Pancreatic resection,
Causes of a low ... fecal elastase ... Pancreatic atrophy, Acute ... annular pancreas), Genetic ... #low #differential
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Diagnosis Algorithm ... Appropriately Low ... Absorption: Chronic Diarrhea ... Refeeding Syndrome, Acute ... Alkalosis, Tumor Genesis