Why the study?
Does the presence of right bundle-branch block worsen prognosis in patients with acute myocardial infarction?
Population
1,238 patients consecutively diagnosed with acute myocardial infarction and admitted to three coronary care…
Comparison
Presence of right bundle-branch block, including… vs Patients without right bundle-branch block
Design
Cohort
Follow-up
1 year
Authors
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RBBB signals elevated AMI mortality risk; supports incorporation into prognostic models but leaves open whether it guides targeted interventions.
Does the presence of right bundle-branch block worsen prognosis in patients with acute myocardial infarction?
Right bundle-branch block in acute myocardial infarction remains an independent predictor of early and 1-year mortality in the thrombolytic era, particularly when the block is new or permanent.
Melgarejo‐Moreno et al. (1997) studied this question.
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