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Conduction System of the Heart Part 1: Basics of Conduction Video
ACLS Certification Association videos have been peer-reviewed for medical accuracy by the ACA medical review board.
Video at a Glance
- In this first segment of the 3-part series detailing the conduction system of the heart, the video explains the SA Node, AV Node, and Bundle of HIS.
- A normal electrical impulse goes through those nodes and then into the bundle branches and Purkinje fibers.
- Acetylcholine slows the impulse through the vagus nerve.
- Included is a discussion of the role of atropine in slowing the heart.
- Norepinephrine speeds up the heart by opening the calcium channels.
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