Articles on Medical Diseases and Conditions

Entries Tagged ‘Arrhythmias’

Surgical Treatments for Arrhythmias

In  addition  to  drugs  and  nonsurgical  procedures,  several types  of surgery can restore  your heart’s rhythm.  Implantation of a pacemaker can treat bradycardia (slow heartbeat);  an internal  cardioverter- de?brillator can correct more serious arrhythmias; or a procedure called maze surgery can be performed  on some people with atrial ?brillation. Pacemakers A pacemaker  is a battery-powered […]

Diagnosing Arrhythmias

Once your doctor diagnoses an arrhythmia through your symptoms or an examination, he or she will need to determine where it originates and whether it requires treatment; that is, whether it is causing symptoms or putting  you at risk for more serious problems in the future. The electrocardiogram  is a very important tool that  your […]


Every second or so, an electrical impulse originating in the right atrium of your heart travels through the heart and triggers a single heartbeat, or contraction of the heart. A group of specialized cells in the muscle tissue, called the sinoatrial (SA) node, initiates the signal, acting as your heart’s natural pacemaker. The impulse travels […]