Sudden Cardiac Arrest is not rare and it is not a heart attack.

About 600 people a day go down with this condition. Learn more about it, what may have happened to Damar Hamlin, and understand what it is and how to treat it.

Dr. Rob explains SCA with pictures. Support the Sudden Cardiac Arrest Foundation (www.sca-aware.org) and join the Force for Health (www.theforceforhealth.com)