Surgery · UKMLA & AKT
Aortic aneurysm
A free high-yield preview for the UKMLA Applied Knowledge Test. Below are the key points to recognise aortic aneurysm — the full SA Note notes add investigations, management, complications and 10 practice questions.
Key high-yield points
- Aneurysm - permanent dilatation >1.5x normal diameter; AAA defined as infrarenal aorta ≥3 cm (normal ~2 cm)
- Fusiform - circumferential dilatation (most common); saccular - asymmetric outpouching (higher rupture risk per unit size)
- 90-95% of AAAs are infrarenal
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