Mayo Clinic Health Manager
Get free personalized health guidance for you and your family.
Get StartedWhen to seek medical advice
By Mayo Clinic staffIf you have heart disease, or if your doctor has already diagnosed you as having bundle branch block, ask your doctor how often you should have follow-up visits.
If you've fainted and think it might be related to a heart condition, see your doctor. You might want to carry a medical alert card identifying you as having bundle branch block in case you're seen by a doctor who isn't familiar with your medical history.