Who needs a Pacemaker?
Anyone with chronic, symptomatic bradycardia
Asymptomatic life threatening bradycardia in following situations:
Long pauses more than 3 sec while awake
Heart rate less than 40/min while awake
Acquired chronic complete heart block
Type II second degree AV block
Alternating bundle branch block (even without bradycardia)
Congenital CHB with heart rate < 50/min
Bradycardia likely to be worsened by therapy
Please note that this list is not all inclusive!