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ANEURYSMAL DISEASE GEMP I Centre for Health Science Education Station 4.

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Presentation on theme: "ANEURYSMAL DISEASE GEMP I Centre for Health Science Education Station 4."— Presentation transcript:

1 ANEURYSMAL DISEASE GEMP I Centre for Health Science Education Station 4

2 Station Learning Objectives Understand the pathogenesis of atheroma and atherosclerotic aneurysms differentiate between true & false aneurysms

3 ANEURYSMAL DISEASE DEFN: abnormal dilatation of arterial walls

4 Aneurysmal Disease Aneurysms can be classified according to: aetiology - degenerative, inflammatory, mechanical, congenital, dissecting shape - saccular, fusiform location - central, peripheral, sphlancnic, renal cerebral structure - true, false

5 –TRUE aneurysms: dilatation of normal artery to at least twice its normal size involves all 3 layers of vessel wall degeneration of media & lamina elastica –FALSE aneurysms: pulsatile haematoma confined by fibrous capsule NOT vessel wall usually due to trauma or leakage from an anastamotic site

6 Aneurysmal Disease Atherosclerotic aneurysms are the most commonly seen aneurysms & occur in decreasing frequency in the following vessels distal abdominal aorta Iliac arteries popliteal arteries common femoral artery arch & descending thoracic aorta carotid arteries other peripheral arteries

7 AAA Abdominal aortic aneurysms distal abdominal aorta Iliac arteries popliteal arteries common femoral artery arch & descending thoracic aorta carotid arteries other peripheral arteries


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