Seventy-eight studies were included. The total number of participants was not stated).
Standard ECG. Diagnostic performance: quality of evidence A; accuracy ++. Clinical impact: quality of evidence - standard of care; impact - standard of care.
Pre-hospital ECG. Diagnostic performance: quality of evidence A; accuracy ++. Clinical impact: quality of evidence B; impact +.
Continuous 12-lead ECG. Diagnostic performance: quality of evidence NK; accuracy NK. Clinical impact: quality of evidence NK; impact NK.
Non-standard ECG. Diagnostic performance: quality of evidence C; accuracy +. Clinical impact: quality of evidence NK; impact NK.
Body-surface mapping. Diagnostic performance: quality of evidence NK; accuracy NK. Clinical impact: quality of evidence NK; impact NK.
ECG exercise stress test. Diagnostic performance: quality of evidence C; accuracy +. Clinical impact: quality of evidence C; impact NK-NE.
Original ACI predictive instrument. Diagnostic performance: quality of evidence A; accuracy +++. Clinical impact: quality of evidence A; impact +++.
ACI-TIPI. Diagnostic performance: quality of evidence A; accuracy +++. Clinical impact: quality of evidence C; impact +.
Goldman chest pain protocol. Diagnostic performance: quality of evidence A; accuracy +++ for acute MI and NE for unstable AP. Clinical impact: quality of evidence B; impact NK-NE.
Other computer-based decision aids. Diagnostic performance: quality of evidence B; accuracy +. Clinical impact: quality of evidence NK; impact NK.
Creatine kinase - single tests. Diagnostic performance: quality of evidence A; accuracy + for acute MI and NE for unstable AP. Clinical impact: quality of evidence NK; impact NK.
Creatine kinase - multiple tests. Diagnostic performance: quality of evidence A; accuracy +++ for acute MI and NE for unstable AP. Clinical impact: quality of evidence NK; impact NK.
Other biochemical tests - for troponin-T and troponin-I. Diagnostic performance: quality of evidence B; accuracy ++ for acute MI and NE for unstable AP. Clinical impact: quality of evidence NK; impact NK.
Other biochemical tests - for myoglobin. Diagnostic performance: quality of evidence B; accuracy + for acute MI and NE for unstable AP. Clinical impact: quality of evidence NK; impact NK.
Echocardiogram. Diagnostic performance: quality of evidence B; accuracy +. Clinical impact: quality of evidence NK; impact NK.
Thallium scanning. Diagnostic performance: quality of evidence C; accuracy NK-NE. Clinical impact: quality of evidence NK; impact NK-NE.
Sestamibi and other technetium-99m perfusion agents. Diagnostic performance: quality of evidence C; accuracy +++. Clinical impact: quality of evidence NK; impact NK.