Dallas November 29, 2017 4:55 pm Exercise Advice for Patients With ICDs for Heart Conditions People born with heart conditions can be treated with implantable cardioverter defibrillators, or ICDs. The devices send electric shocks to re-stimulate the heart. Wake Up to Something Good 3:15 Attendees on alert at Southlake fest as severe weather threatens North Texas 1:39 Communities clean up after monster tornadoes 0:46 San Marcos Police issue Amber Alert for toddler 2:07 Police looking for murder weapon in Bowie HS shooting 2:10 Southlake's Art in the Square prepares for inclement weather