@article {4341, title = {Elevated CK-MB with a normal troponin does not predict 30-day adverse cardiac events in emergency department chest pain observation unit patients.}, journal = {Critical pathways in cardiology}, volume = {13}, year = {2014}, month = {2014 Mar}, pages = {14-9}, abstract = {Prior studies indicate that an elevated creatinine kinase (CK)-MB imparts poor prognosis in patients with acute coronary syndrome despite a normal troponin. Its prognosis in the undifferentiated chest pain observation unit (CPU) population remains undefined.}, keywords = {Acute Coronary Syndrome, Aged, Aged, 80 and over, Biological Markers, Chest Pain, Cohort Studies, Creatine Kinase, MB Form, Emergency Service, Hospital, Female, Hospitalization, Humans, Male, Middle Aged, Prognosis, Retrospective Studies, Risk Assessment, Troponin}, issn = {1535-2811}, doi = {10.1097/HPC.0000000000000001}, author = {Safdar, Basmah and Bezek, Sarah K and Sinusas, Albert J and Russell, Raymond R and Klein, Matthew R and Dziura, James D and D{\textquoteright}Onofrio, Gail} }