Vista del Lago Athletic Director Mark Keeton watches a volleyball team at Vista del Lago High School in Folsom on Tuesday, Sept. 13, 2016. Free cardiac screenings will be given at Cordova High on Sunday. The screenings can find heart defects in teenagers that would otherwise go undetected. Heart defects can cause sudden cardiac arrest, which is especially common in high-intensity sports.
Vista del Lago Athletic Director Mark Keeton watches a volleyball team at Vista del Lago High School in Folsom on Tuesday, Sept. 13, 2016. Free cardiac screenings will be given at Cordova High on Sunday. The screenings can find heart defects in teenagers that would otherwise go undetected. Heart defects can cause sudden cardiac arrest, which is especially common in high-intensity sports. José Luis Villegas jvillegas@sacbee.com
Vista del Lago Athletic Director Mark Keeton watches a volleyball team at Vista del Lago High School in Folsom on Tuesday, Sept. 13, 2016. Free cardiac screenings will be given at Cordova High on Sunday. The screenings can find heart defects in teenagers that would otherwise go undetected. Heart defects can cause sudden cardiac arrest, which is especially common in high-intensity sports. José Luis Villegas jvillegas@sacbee.com