Key result
Third-degree inter-atrial block is characterized by retrograde activation of the left atrium, as confirmed by oesophageal electrocardiography and electrophysiological studies.
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Design
Review
The text briefly mentions historical confirmation of retrograde activation of the left atrium in third-degree inter-atrial block.
As early as 1954, P. Puech Later, isolated cases and short series Retrograde activation of the left atrium was also confirmed from the oesophageal ECG and at electrophysiological study.
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Luna et al. (1999) studied this question. Third-degree inter-atrial block is characterized by retrograde activation of the left atrium, as confirmed by oesophageal electrocardiography and electrophysiological studies.
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