Hi my grandfather is 67 years old and he been doing yard wrk since he got up he we for a hair cut and his body started to trimble and he black out on the chair while he black out for some secs he pee down and when he try to wake he started bc to talk but in slow motion his eyes where like he was trying to keep it open and he started to cold sweet even doh he was in ac please help I do not no what to do.