Selecting a Treatment Regimen
Table 1. Semiquantitative Summary of Positive and Negative
Predictive Accuracies of Troponin Testing in Various
Scenarios
Typical Anginal
Symptoms
Ischemic ECG or
Echocardiogram
Findings
Yes
No
High (>80%)
Low (<10%)
History of Risk Factors
for Coronary Artery
Disease (CAD)
Pre-Test Likelihood
of Acute Myocardial
Ischemia
Cardiac Troponin
Positive
Negative
Positive
Negative
Predictive Value for
Acute Myocardial
Infarction (AMI)
High PPV
High NPV
Low PPV
High NPV
Diagnostic Evaluation
for Nonthrombotic
Etiology
No
No
Yes
No
Prognostic Information
Yes
Yes
Yes
Yes
