51.   Woodfill said a team of experts examined the fetus last week and determined that its organs were developing normally and that its heart beat is getting stronger.

52.   You stop to listen to your heart beat.

53.   Yet while the beta blockers can stabilize an irregular heart beat, they do nothing to mend broken hearts.

54.   Pacemakers are used to restore a normal heart beat.

55.   A heart beats in both of them, just like a heart beats in a team.

56.   Abu Rizk in being detained in hospital, reportedly suffering from high blood pressure and irregular heart beat.

57.   Afterward, doctors will determine his condition and may discharge him if his heart beat is back to normal, he added.

58.   Also, these drugs can have serious side effects, such as an irregular heart beat or digestive problems.

59.   An abnormally fast heart beat in the upper chambers, called atrial fibrillation, can cause shortness of breath, dizziness and stroke.

60.   And these drugs can have serious side effects, such as an irregular heart beat or digestive problems.