Sinoatrial node

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The cardiac conduction system is a group of specialized cardiac muscle cells in the walls of the heart that send signals to the heart muscle causing it to contract. The main components of the cardiac conduction system are the SA node, AV node, bundle of His, bundle branches, and Purkinje fibers. Purkinje Fibers, Cardiac Conduction System, Medic School, Sinoatrial Node, Cardiac Muscle Cell, Cardiac Muscle, Cardiac Sonography, Cardiothoracic Surgery, Physical Therapy School

The cardiac conduction system is a group of specialized cardiac muscle cells in the walls of the heart that send signals to the heart muscle causing it to contract. The main components of the cardiac conduction system are the SA node, AV node, bundle of His, bundle branches, and Purkinje fibers.

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Liz Richardson
Kristine Tuttle on Instagram: "Electrical Conduction of the Heart⚡️🫀  ⚡️SA node (Sinoatrial node): Primary pacemaker of the heart; creates electrical impulses of 60–100 bpm  ⚡️AV node (Atrioventricular node): Secondary pacemaker of the heart, or “backup pacemaker.” Takes over at a rate of 40–60 bpm if the SA node malfunctions.  ⚡️Bundle of His: Transmits electrical impulse from AV node → bundle branches  ⚡️Bundle Branches: Delivers impulses to Purkinje fibers  ⚡️Purkinje fibers: Fire at a rate of 30–40 bpm if both the SA & AV nodes fail  #nursingschool #nursingnotes #nurseshelpingnurses #BSN #RN #LPN #nursingstudent #nursing #nurse #NCLEX" Nursing Students, Nclex, Purkinje Fibers, Sinoatrial Node, Nursing School Notes, Nursing Education, Nursing Notes, Cardiology, School Notes

Kristine Tuttle on Instagram: "Electrical Conduction of the Heart⚡️🫀 ⚡️SA node (Sinoatrial node): Primary pacemaker of the heart; creates electrical impulses of 60–100 bpm ⚡️AV node (Atrioventricular node): Secondary pacemaker of the heart, or “backup pacemaker.” Takes over at a rate of 40–60 bpm if the SA node malfunctions. ⚡️Bundle of His: Transmits electrical impulse from AV node → bundle branches ⚡️Bundle Branches: Delivers impulses to Purkinje fibers ⚡️Purkinje fibers: Fire at a…

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Taramessina
What is sinoatrial node and what is its function? | Socratic Sinoatrial Node, Mri Brain, Learned Helplessness, Evidence Based Medicine, Study Essentials, Human Body Anatomy, Patient Education, University Studying, Medical Studies

The Sinoatrial node or SA node for short is a group of specialised nerve cells present on the upper wall of the right atrium. The S.A node has a very important function- to regulate the contraction of the chambers of the heart. Specifically, it causes the walls of the atria to contract by sending out electrical signals. It also sends signal to AV node.

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Fiona Beckett

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