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Acute aortic dissection — RACP Written MCQ

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HardCardiologyAcute aortic dissectionRACP Written

A 58-year-old man has abrupt tearing interscapular pain and left arm paraesthesia. Blood pressure is 196/104 mmHg in the right arm and 168/92 mmHg in the left. Chest X-ray shows mediastinal widening and creatinine is normal. What is the most appropriate investigation?

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Correct answer: A — CT angiography of the aorta

The presentation is high risk for acute aortic dissection. CT angiography rapidly confirms extent and complications in a haemodynamically stable patient.

Reference: National Heart Foundation of Australia; Therapeutic Guidelines: Cardiovascular