New tests for heart disease: Promise but no payoff
Three blood tests designed to detect early heart disease aren't quite ready for prime time.
"It's tough to make predictions, especially about the future." — Yogi Berra
Cardiologists share Yogi's sentiment. Part of their job is to make predictions about an individual's chances of having a heart attack or stroke. It's a difficult task, since they must make do with limited information. To make matters worse, the stakes are high. An incorrect estimate could mean a person takes medications he or she doesn't need, or doesn't make the changes needed to prevent serious cardiovascular trouble.