List the nine most common sources of arterial emboli.

1. Atrial fibrillation (leads to left atrial clot)
2 Myocardial infarction (leads to mural thrombus in the left ventricle)
3. Valvular vegetations
4. Myxoma
5. Aneurysms with mural thrombus
6. Ulcerated atherosclerotic plaque
7. Dislodged atherosclerotic plaque owing to angiographic manipulation
8. Air
9. Foreign bodies