P wave Localisation made EASY! (Based of Kistler et al. 2006/2021)
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Based on dominant P wave polarity! Try it out with the ECG, answer in comments. Enjoy! #epeeps #cardiology #cardiotwitter #cardioed #ecg #ekg #svt #eps

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P wave origin:
-->V1 positive = left sided or Crista Terminalis/Sinus Node
-->II/III/aVF positive = superior structure
-->V3-V4 Positive = posterior structure
-->II P wave amplitude > III = Rightward structure.

-->High Crista or RSPV assuming it is not Sinus!