They kill more than 400,000 Americans every year.
Cardiac arrhythmias strike like lightning, with no warning.
Even the slightest heart abnormality can cause arrhythmias, and it is well known that many patients with MVP experience them. In one article it states that a missed beat from being pulled over by a police officer is quite harmless and normal. This is not what most of us experience, and I believe everything should be done to lower our risks of sudden death due to arrhythmias. Proper testing should be done and treatment given accordingly. Arrhythmias are disruptions in the natural rhythm of the heartbeat.