1.   An electronic voice lets the operator know that a shock is necessary when the system detects a specific irregular heart rhythm.

2.   An irregular heart beat was detected when Flowers went through a routine physical.

3.   Arrhythmia is the medical term for irregular heart beat.

4.   A cardiologist using this technology could spot irregular heart rhythms and direct a patient to seek assistance before a heart attack occurs.

5.   All they saw was an irregular big old heart.

6.   Bradley had never disclosed that for the past few years he had suffered an irregular heart beat, a common condition known as atrial fibrillation.

7.   Doctors may misdiagnose a certain type of irregular heart beat as a panic attack, particularly in women, new research suggests.

8.   Dr. James Kauten, the heart surgeon who operated on Reeves, would not comment specifically about Reeves but said an irregular heart rhythm is common among bypass patients.

9.   Digitalis is used in the treatment of congestive heart failure or irregular heart beats.

10.   During an afternoon news conference in California on Saturday, Bradley said his doctors told him that his occasional problems with an irregular heart beat are not serious.