1.   Bypass surgery and angioplasty have been common treatments to clear narrowed arteries.

2.   Devices called stents are also inserted permanently into narrowed arteries to prop them open.

3.   However, in general, aspirin is believed to reduce blood-clotting factors so a clot is less likely to form and obstruct a narrowed artery.

4.   In angioplasty, a balloon is inserted through a vessel in the leg and inflated to open a narrowed artery around the heart.

5.   In angioplasty, doctors snake a catheter through a vein in the leg to a narrowed artery.

6.   Initially, the doctors said his chest pain had been traced to a narrowed artery that deprived his heart muscle of nourishing blood flow.

7.   It is no great mystery why a low-fat diet can unclog narrowed arteries, how exercise strengthens heart muscles, or that relaxation lowers blood pressure.

8.   Last week, chest pains put him in the hospital for cardiac catheterization to reopen narrowed arteries.

9.   The autopsy showed no signs of trauma, only calcium deposits in a narrowed artery of his heart.

10.   The far simpler angioplasty uses a balloon to dilate narrowed arteries, causing less pain and disability.