Why the study?
Does the presence of bundle branch block complicating acute myocardial infarction at hospital admission increase hospital mortality?
Does the presence of bundle branch block complicating acute myocardial infarction at hospital admission increase hospital mortality?
The presence of bundle branch block, particularly RBBB with LPFB, and severe heart failure at admission for acute myocardial infarction are associated with significantly higher hospital mortality.
Patients with RBBB + LPFB had a higher mortality than patients with other intra ventricular conduction defect (42% VS 26%,p<0.025). Hospital mortality was directly related to the degree of heart failure only ,(8%) of patients with class I-II heart failure died, compared to (47%) of Patients with class III-IV heart failure (p < 0.001). The hospital mortality were higher in patients with bundle branch block than in those without block . (26 % VS. 12% p>0.001).
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Dr Hanan K. Altalhi (2017) studied this question.
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