Reduce LOS, boost reimbursement for chest pain cases.
D000465:Algorithms; D002637:Chest Pain / Q000175:diagnosis* / Q000191:economics / Q000209:etiology; D019091:Critical Pathways; D003937:Diagnosis, Differential; D004636:Emergency Service, Hospital / Q000191:economics / Q000458:organization & administration*; D005568:Forms and Records Control; D006764:Hospitals, Community; D006801:Humans; D007349:Insurance, Health, Reimbursement; D007902:Length of Stay / Q000639:trends*; D008991:Monitoring, Physiologic; D009518:New York; D019370:Observation; D010347:Patient Care Planning