2 was due to commotio cordis, a rare heart rhythm disturbance caused by a blow to the chest ― but anti-vaxxers and other conspiracy theorists weren’t buying it. (Watch the video below.) ...

A ball to the chest caused Oscar Stuebe to go into a cardiac condition known as commotio cordis. Fast action by West Palm firefighters saved his life.

Commotio cordis is a rare phenomenon that can occur when chest wall trauma during the ascending limb of the T wave results in ventricular fibrillation and sudden cardiac death. Frequently ...