31.   Droperidol has long carried a warning that it could cause sudden cardiac death at high doses in patients at risk of irregular heartbeats.

32.   First-grader Nader Parman II was hit directly over his heart, causing sudden cardiac death.

33.   Men who lose a parent to sudden cardiac death are twice as likely as other men to meet the same fate, a new study found.

34.   Most, but not all, past studies have found exercise reduces risk of sudden cardiac death.

35.   Most, but not all, past studies have found that exercise reduces risk of sudden cardiac death.

36.   Sudden cardiac death is often triggered by arrhythmias and includes some types of heart attacks.

37.   Sudden cardiac deaths remain high despite years of advances in prevention and treatment, and improvements in emergency medical response.

38.   The study, believed to be first showing that sudden cardiac death runs in families, could help identify unsuspecting people at high risk for the condition.

39.   Those on the drugs faced double the risk of sudden cardiac death during a five-year follow-up.

40.   Both studies portrayed sharp international variations in the incidence of heart attacks as well as cardiac deaths.