AV Node vs. SA Node - What's the Difference? | This vs. That
While both nodes play essential roles in coordinating the heart's rhythm, they differ in terms of location, function, and characteristics. In this article, we will explore the attributes of the AV …
The Conducting System of the Heart - SA Node
Nov 6, 2025 · Upon reaching the atrioventricular (AV) node, the signal is delayed. It is then conducted into the bundle of His, down the interventricular septum. The bundle of His and the …
What Is the Difference Between SA Node and AV Node? - iCliniq
May 20, 2024 · The primary role of the SA is to produce cardiac impulses, and the AV nodes relay the response that the SA nodes provide. In other words, the impulse produced by the sinoatrial …
SA Node vs. AV Node: What's the Difference?
Jul 11, 2024 · SA Node vs. AV Node: What's the Difference? The SA node initiates the heartbeat, setting its pace, while the AV node, located in the middle of the heart, delays electrical …
SA Node and AV Node - UPMC Health Library
Oct 24, 2024 · The SA (sinoatrial) node generates an electrical signal that causes the upper heart chambers (atria) to contract. The signal then passes through the AV (atrioventricular) node to …
Difference Between SA Node and AV Node - Pediaa.Com
Aug 27, 2018 · The main difference between SA node and AV node is that the SA node generates cardiac impulses whereas the AV node relays and intensifies cardiac impulses.
SA node vs AV node - difbetween.com
The SA node, the heart’s natural pacemaker, initiates the electrical impulses that trigger each heartbeat, while the AV node, the gatekeeper of ventricular activation, delays and relays these …
What is the difference between SA and AV nodes? - Wispwell
Aug 5, 2025 · The SA node acts as the heart's primary conductor, initiating the electrical signal, while the AV node serves as a crucial intermediary, ensuring the precise timing required for …
Heart Electrical Conduction System Explained | SA Node → AV Node …
Dec 4, 2025 · We’ll follow the journey of the electrical impulse — from SA node atria AV node bundle of His bundle branches Purkinje fibres ventricles — and learn how this precise timing …
SA Node And AV Node - Health Library | NewYork-Presbyterian
Oct 24, 2024 · The SA (sinoatrial) node generates an electrical signal that causes the upper heart chambers (atria) to contract. The signal then passes through the AV (atrioventricular) node to …