The Influence of Acute Myocardial Infarction Checklist on the Door-to-Balloon Time

For every patient fulfilling the criteria of enrollment, an acute myocardial infarction checklist was incorporated into the patient's medical records at emergency department immediately after a diagnosis of acute ST-elevation myocardial infarction was made. All the time sequences concerning different managements at different locations were recorded by nurses and/or physicians as instructions on the checklist.