A 62-year-old man on ICU has been diagnosed with acute mesenteric ischaemia secondary to SMA embolism. After emergency surgical revascularisation and ...

Question

A 62-year-old man on ICU has been diagnosed with acute mesenteric ischaemia secondary to SMA embolism. After emergency surgical revascularisation and resection of necrotic bowel, he develops a high-output stoma (>2 L/day). What electrolyte abnormality must be closely monitored?

Accepted Answer

Hypomagnesaemia, hypokalaemia, and dehydration - high-output small bowel stomas cause loss of sodium, potassium, magnesium, bicarbonate, and water, leading to a complex electrolyte disturbance requiring careful monitoring and replacement

Answer

Hypernatraemia only

Answer

Hypercalcaemia

Answer

Hyperphosphataemia

Answer

No electrolyte monitoring is needed

uk-fficm MCQ (SBA): High-Output Stoma

A 62-year-old man on ICU has been diagnosed with acute mesenteric ischaemia secondary to SMA embolism. After emergency surgical revascularisation and resection of necrotic bowel, he develops a high-output stoma (>2 L/day). What electrolyte abnormality must be closely monitored?