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High-Resolution Endocardial and Epicardial Optical Mapping in a Sheep Model of Stretch-Induced Atrial Fibrillation
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A novel pace-mapping technique for Isthmus Identification in Non-Sustained Uncommon Atrial Flutter Pacing Technique:

Daisuke Munakata1, Takeshi Ueyama2, Tomoyuki Uchida2

  • 1Department of Clinical Engineering, Yamaguchi Prefectural Grand Medical Center, 10077 Osaki, Hofu, Yamaguchi, 747-8511, Japan.

European Heart Journal. Case Reports
|March 18, 2026
PubMed
Summary

A new pace-mapping technique called INPACT helps identify critical isthmuses in uncommon atrial flutter (AFL) when the tachycardia is not sustained. This method improves procedural efficiency for challenging AFL cases.

Keywords:
AblationCase reportLocalized re-entryMacro-re-entryMapping techniqueiPASO

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Pulse rhythm01:30

Pulse rhythm

Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac muscle...