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Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia in clinical practice, with increasing incidence globally. RF ablation is a common treatment for AF, attempting to interrupt aberrant electrical patterns. The success rate of this procedure is suboptimal (∼60%), with a substantial amount of patients needing reintervention [1]. Providing the surgeon with real time feedback on lesion...
Photoacoustic methods that may be translatable to in vivo applications generally have limited frequency and wave vector response. As a result, the point spread function of array-based scanners at moderate frequencies may have dimensions of about 1 mm3; multiple objects within this volume cannot be resolved. Small structures, such as entangled arteriole-venule pairs, can be routinely imaged in vitro...
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