The Medical Minute: Putting the freeze on abnormal heart beats
Wednesday, February 25, 2009 - 16:49
in Health & Medicine
(PhysOrg.com) -- In some people, the heart has a tendency to race due to abnormal electrical signals that tell the heart muscle when to contract. Abnormal electrical activation of the heart with changes in the rate or regular pace is called arrhythmia. This may happen even though the heart is otherwise normal.
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