Sudden Onset Of Large-volume in Surgery — 65yo Man | General Surgery | SMLE Q#898
SMLE Question #898
Surgery
General Surgery
Objective: OBJ-TRACH-EMERG-01
Last updated: February 2026
A 65-year-old man presents to the emergency department with sudden onset of large-volume, painless bright red blood per rectum. He has hypertension and hyperlipidaemia and has never had a colonoscopy. Digital rectal examination shows gross blood without fissures or external haemorrhoids. He is resuscitated with IV crystalloids, and blood is sent for type and screen. What is the most common cause of severe lower gastrointestinal bleeding in older adults?
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