Why the study?
Does the presence of abnormal Q waves on admission ECG predict adverse outcomes in patients with first acute myocardial infarction treated with thrombolytic therapy?
Does the presence of abnormal Q waves on admission ECG predict adverse outcomes in patients with first acute myocardial infarction treated with thrombolytic therapy?
The presence of abnormal Q waves on admission ECG in patients with anterior acute myocardial infarction is associated with larger infarct size, higher rates of heart failure, and increased mortality.
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Supports admission ECG Q waves for mortality risk stratification in thrombolysis-treated AMI; leaves open whether findings inform management in contemporary cohorts.
Birnbaum et al. (1997) studied this question.
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