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What is the incidence and clinical significance of combined left anterior hemiblock and right bundle-branch block after surgical closure of VSD and correction of tetralogy of Fallot?
What is the incidence and clinical significance of combined left anterior hemiblock and right bundle-branch block after surgical closure of VSD and correction of tetralogy of Fallot?
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Combined left anterior hemiblock and right bundle-branch block occurs in 6-11% of patients after VSD or tetralogy of Fallot repair but appears to have a benign long-term clinical course.
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Downing et al. (1972) studied this question.
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