'CALL' system allows quicker heart attack treatment.
D000208:Acute Disease; D001131:Arkansas; D002309:Cardiology; D004636:Emergency Service, Hospital / Q000458:organization & administration*; D006747:Hospital Communication Systems / Q000458:organization & administration*; D006801:Humans; D009203:Myocardial Infarction / Q000628:therapy*; D013997:Time Factors