21.   Because of this and other recent studies, the American Heart Association is updating its heart failure treatment guidelines.

22.   But in half of those who did get the drug, treatment guidelines were violated.

23.   Meyerson said the AHA will evaluate whether to add aspirin to treatment guidelines for older heart failure patients without clot-related cardiovascular disease.

24.   The government is issuing new treatment guidelines for heart-threatening high cholesterol, a condition that afflicts millions of Americans.

25.   Treatment guidelines were violated in about a third of the patients.