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One Quick Question: What is Einthoven’s Triangle? – Video

ACLS Certification Association videos have been peer-reviewed for medical accuracy by the ACA medical review board.

Video at a Glance

  • Einthoven’s P wave describes the shape of the P wave as the electrical impulse moves along the Lead II axis.
  • If the impulse starts in the SA node, it moves from positive to negative, causing a positive P wave.
  • If the impulse starts in the AV node, it moves from negative to positive, causing a negative deflection (inverted) P wave.

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ACLS Certification Association (ACA) uses only high-quality medical resources and peer-reviewed studies to support the facts within our articles. Explore our editorial process to learn how our content reflects clinical accuracy and the latest best practices in medicine. As an ACA Authorized Training Center, all content is reviewed for medical accuracy by the ACA Medical Review Board.

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