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Fig. 1 | BMC Geriatrics

Fig. 1

From: Comparison of high-power single-ring isolation and box isolation in elderly patients with persistent atrial fibrillation

Fig. 1

A In addition to PVIs, BOXI involves two linear ablation lines (roof and inferior) connecting the superior and inferior PVs, forming a box-shaped isolation zone (red dots). B SRI creates a single continuous circular lesion encircling all four PVs and the posterior LA (red dots), requiring fewer ablation lesions in the posterior LA due to its anatomical efficiency

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BMC Geriatrics

ISSN: 1471-2318

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