Commotio cordis.
Boren
Stephen D
SD
D001484:Baseball / Q000266:history* / Q000293:injuries / Q000706:statistics & numerical data; D056104:Commotio Cordis / Q000266:history*; D016757:Death, Sudden, Cardiac / Q000209:etiology; D049673:History, 20th Century; D006801:Humans; D013898:Thoracic Injuries / Q000150:complications / Q000266:history