Pacemakers come in different types depending on the patient's specific needs. Single-chamber pacemaker: Has one lead ...

Pacemakers do not keep patients alive if the heart shuts down ... Certain people are at elevated risk for these types of rhythm disturbances. Many cases of “sudden death” in athletes and other young ...

Sometimes, the rhythm of the heart's natural pacemaker process becomes disrupted - a person's heart beats abnormally. It can be abnormally slow or fast, or irregular. There are several types of ...