: transient ischemic attackOld people are particularly vulnerable because their arteries are often partly-blocked and they may already have had a number of ministrokes.— Philip E. Ross, Forbes, 21 Oct. 1996A person with clinical disease has already suffered a heart attack or stroke or has such outward signs of disease as angina pectoris (chest pains that indicate the heart cannot get enough oxygen-rich blood) or transient ischemic attacks (mini-strokes resulting from momentary interruptions of blood flow to the brain). — The New York Times, 13 June 1995