Cost and utility considerations in implementing ambulance telemetry.
D000552:Ambulances; D003327:Coronary Disease / Q000175:diagnosis / Q000628:therapy; D003365:Costs and Cost Analysis; D004562:Electrocardiography; D004631:Emergency Medical Service Communication Systems / Q000191:economics; D006801:Humans; D013686:Telemetry / Q000191:economics*