Baltimore cardiologist explains what's behind cardiac arrest
People from around the country continue to show support for Buffalo Bills safety Damar Hamlin, who suffered cardiac arrest moments after tackling a Cincinnati Bengals player Monday night. It appeared to be the kind of hit that happens regularly in football. So, what happened to make Hamlin collapse? Dr. Kate Elfrey, a cardiologist at Mercy Medical Center, who is not involved in treating Hamlin, shares her impression of what happened and explains what happens next.
