title: The danger of not dialing 911.
mesh_terms: D015906:Angioplasty, Balloon, Coronary / Q000706:statistics & numerical data; D004631:Emergency Medical Service Communication Systems / Q000706:statistics & numerical data*; D006801:Humans; D009203:Myocardial Infarction / Q000628:therapy*; D014187:Transportation of Patients