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JAMA and Archives Journals
Heart electrical conduction abnormality believed not to be serious may pose cardiovascular risks
July 12th, 2009
This release is available in Chinese. New research indicates that a finding on a routine electrocardiogram that signals a disorder of the electrical conducting system in one part of the heart and previously believed to be benign is associated with an increased risk for atrial fibrillation, the implantation of a pacemaker or death, according to a study in the June 24 issue of JAMA. Prolongation of the electrocardiographic PR interval, also known as first-degree atrioventricular block (AVB) when the PR interval exceeds 200 milliseconds, represents delayed conduction of electrical impulses from the atria to the ventricles. It is frequently encountered...
Source: Medical Devices & Surgical Technology Week (2009-07-12)
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