Several conditions commonly seen in the ICU patients can cause gastrointestinal loss of Mg leading to significant Mg depletion, such as vomiting and nasogastric suction, diarrhea, enteritis, inflammatory bowel disease, intestinal and biliary fistulas, intestinal surgery resections, and pancreatitis 41, 42, 43, 44 [Only registered and activated users can see links. Click Here To Register...]