A pacemaker is required in case of abnormal cardiac rhythm. Not all patients, after a heart transplant, require a pacemaker. The requirement for the pacemaker depends upon various factors including the underlying cardiovascular conditions, the age of the patient, and an increase in treated rejection incidents. Patients with a pre-plant diagnosis of ischemic cardiomyopathy may require a pacemaker. Get the best treatment at the top organ transplant hospital in Dwarka, Delhi.