Heart Block - How To Tell When A Pacemaker Is Required

Heart block, which is also called atrioventricular block, or "AV block", the heart's electrical impulses are blocked (either partially or completely) as they travel from the atrial chambers of the heart to the ventricular chambers.  Depending on the extent of heart block, this condition can be anywhere from completely benign to life-threatening....Read Full Post
Source: About.com Heart Disease - Category: Cardiology Source Type: blogs