This study aimed to discover the prevalence of undiagnosed abdominal aortic aneurysm in the community in men aged sixty-five to seventy-four. All 1,392 men in this age group registered with twenty general medical practitioners were invited for free health screening at hospital and 746 attended. The abdominal aorta was imaged by ultrasound and its anteroposterior diameter measured. An abdominal aortic aneurysm was present in 6.3% and the aneurysm was 4.0 cm or more in diameter in 2%.
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