Tom Pettitte did not have a heart attack, but tests showed 90 percent blockage of the main artery from his heart.

Mr. Berkeley learned that he had had a 95 percent blockage in the left anterior descending artery.

The greatest overall improvement was in the oldest patient, a 74-year-old man who went to 40.5 percent blockage from 52.7.

Bypass surgery to repair a 90 percent blockage in October 1998.

Reeves checked into the hospital early Monday, when an examination found nearly total blockage of two arteries and 80 percent blockage in a third.

The specialist found a 98 percent blockage in the major artery that carries blood to the head.

Medical center doctors discovered a 99 percent blockage of his dominant right coronary artery.

Even in symptomatic patients, it requires a diagnosis of at least a 70 percent blockage.

She survives, but suddenly grows worse, developing 90 percent blockage in three coronary arteries.

He needed a pacemaker to stimulate the connection, and without it he has 100 percent blockage.