1.   And all emergency medical vehicles are equipped with heart defibrillators that can help restore a racing heartbeat to normal.

2.   Nearly half of those cases involved cardiovascular symptoms such as sudden high blood pressure or a racing heartbeat.

3.   There are no warnings of chest pain, racing heartbeats or labored breaths.

4.   Wojciechowski is the racing heartbeat of Duke basketball.

5.   World Cup soccer is passion and a racing heartbeat, not Arthur Murray moves on a defensive midfield line.