Surgery · UKMLA & AKT
Aortic aneurysm
A free high-yield preview for the UKMLA Applied Knowledge Test, covering how to recognise this condition. The full SA Note notes add investigations, management and complications, with practice questions on this topic.
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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