This review discusses how developments in His-bundle electrocardiography and hemiblocks influence the indications for pacemaker implantation in patients with atrioventricular block.
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May refine AV block pacing decisions; extends electrophysiologic criteria but leaves open prospective validation.
The development of His-bundle (H) electrocardiography and the concept of hemiblocks have prompted a re-examination of conventional thinking about the indications for treatment of atrioventricular (AV) block. The technic of treatment is not the issue; ventricular pacemaking is the only really effective and reliable method. The problem for this review is what these recent developments have contributed to deciding when and if a pacemaker should be installed.
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John A. Kastor (1975) studied this question.
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