In order for your heart to beat properly, your heart’s tissue conducts electrical impulses throughout your heart muscle in a regular pattern. This electrical impulse causes the upper chambers (atria) ...

Q: I recently had an electrocardiogram as part of a routine physical exam. The report said I had a bundle branch block. What does that mean? Will I need a pacemaker? A: Bundle branch blocks are ...

DEAR DOCTOR K: I recently had an ECG that showed that I have a "left bundle branch block." What does this mean? DEAR READER: When your heart beats, it does so in response to electrical signals. Your ...

Global LV systolic function was accessed by fractional shortening, ejection fraction, and cardiac output. Regional LV wall motion was assessed based on motion and thickening of individual LV wall ...

Carr — Assistant Cardiologist, Worcester City Hospital. For record and address of author see "This Week's Issue," page 1129. Select the format you want to export the citation of this publication.

Impulses, or electrical signals, travel through both the left and right chambers of your heart to make it pump. But if the pathway is blocked, the impulses may move slower than normal or irregularly.