{"knowledge_schema": {"broad_category": "Medicine \u2192 Gastroenterology \u2192 Complications of Procedures", "refinement": "This problem focuses on diagnosing a complication following a colonoscopy, considering the patient's symptoms, clinical findings, and laboratory results.", "specific_scope": "The case involves a 65-year-old woman who developed abdominal pain, dizziness, and significant drops in hemoglobin after a colonoscopy, necessitating further evaluation and intervention.", "goal": "Identify the most likely diagnosis based on the clinical presentation and findings."}, "summary": "In this clinical scenario, a 65-year-old woman experienced significant abdominal pain and a drop in hemoglobin levels after a colonoscopy, leading to tachycardia and hypotension. The acute deterioration in her condition, along with the symptoms and laboratory findings, suggests a serious complication. Given the context and the options provided, the most likely diagnosis is a splenic laceration, as it can cause upper abdominal pain, referred pain to the shoulder, and significant internal bleeding, which aligns with the patient's clinical presentation."}