21.   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.

22.   Existing treatments for irregular heart beat can affect these proteins outside the heart, Bristol-Myers said.

23.   He also suffers from an irregular heart beat.

24.   He reportedly suffers from high blood pressure and cholesterol levels, as well as an abnormal heart beat.

25.   He had told other umpires he planned to see a doctor Tuesday about what had been diagnosed as arrhythmia, an irregular heart beat.

26.   His American manager, Clarke Jones, said Wednesday that Parnevik stayed home because of an irregular heart beat.

27.   His family said the cause was an irregular heart beat.

28.   Increasingly, Americans of all ages are measuring their own blood sugar, monitoring their blood pressure, eavesdropping on their heart beat and worrying over their body fat.

29.   Instead, as the heart beats, it pumps blood directly into the previously starved ventricle through the new tunnels.

30.   It can cause a rapid heart beat or even skipped heart beats.