41.   The freest country in the world finds its heart beats with a puritan pulse.

42.   The newer device adjusts a bad heart beat with a precisely timed but much smaller shock.

43.   The one heart beat that could make the biggest difference, though, belongs to junior quarterback Greg Cicero.

44.   This confirmed my belief that within the chests of countless African-Americans beat the hearts of Brubbas yearning to at least let their imaginations ride the range.

45.   This causes an irregular and rapid heart beat and impairs the ability of the heart to pump efficiently.

46.   This leads to an irregular heart beat, cardiac arrhythmia, then death.

47.   When you have atrial fibrillation, you note an irregular heart beat but have no other symptoms.

48.   While heroin induces a dreamlike high, scopolamine, a white substance that makes the heart beat faster, induced agitation and even aggression in Philadelphia and Baltimore.

49.   When the risk was affirmed, the doctors implanted a device that provides a record of every heart beat and is both a pacemaker and a defibrillator.

50.   While heroin induces a dreamlike euphoria, scopolamine, a white substance that makes the heart beat faster, induced agitation and aggression in Philadelphia and Baltimore.