Damar Hamlin’s cardiac arrest during 'Monday Night Football' could be commotio cordis or a more common condition – a heart doctor answers 4 questions
- Written by Wendy Tzou, Associate Professor of Medicine, University of Colorado Anschutz Medical Campus

Damar Hamlin, a safety for the Buffalo Bills, collapsed on the field during a Monday night football game against the Cincinnati Bengals on Jan. 2, 2023.
Medical staff gave Hamlin CPR and shocked him with a defibrillator,...