heart block
A heart block, also called an atrioventricular or AV block, occurs when electrical signals between the heart's chambers are impaired or don't transmit, disrupting the heart's ability to beat properly.
Find out what is happening at your local American Heart area
A heart block, also called an atrioventricular or AV block, occurs when electrical signals between the heart's chambers are impaired or don't transmit, disrupting the heart's ability to beat properly.
This site complies with the HONcode standard for trustworthy health information: 
verify here.