Cardiac Conduction System Sinoatrial (SA) node Atrioventricular (AV) node.

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THE CARDIAC CYCLE

Transcript of Cardiac Conduction System Sinoatrial (SA) node Atrioventricular (AV) node.

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THE CARDIAC CYCLE

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Cardiac Conduction System

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Sinoatrial (SA) node

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Atrioventricular (AV) node

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Antrioventricular (AV) Bundle (Bundle of His)

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Right bundle branch

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Left bundle branch

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Purkinje Fibers

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EKG = ECG = electrocardiogram

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Leads (limb leads)

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P wave

Atrial Depolarization

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QRS complex

Ventricular Depolarization

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T wave

Ventricular Repolarization

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Depolarization

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Repolarization

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Bradycardia

Resting heart rate under 60 bpm

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Tachycardia

Heart rate exceeds 100 bpm

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Fibrillation

Rapid, irregular, and unsynchronized contraction of muscle fibers


Structures Nodes – tissue masses that generate a wave of electrical energy Sinoatrial node (S/A node) – is found in the right atrium and initiates.

Structures Nodes – tissue masses that generate a wave of electrical energy Sinoatrial node (S/A node) – is found in the right atrium and initiates.

Atrioventricular Node Slow‐Pathway Ablation Reduces Atrial Fibrillation Inducibility ...jaha.ahajournals.org/content/ahaoa/5/6/e003083.full.pdf · Atrioventricular Node Slow-Pathway

Atrioventricular Node Slow‐Pathway Ablation Reduces Atrial Fibrillation Inducibility ...jaha.ahajournals.org/content/ahaoa/5/6/e003083.full.pdf · Atrioventricular Node Slow-Pathway

Section2Workbook(CirculatoryANSWERS)( ( Key$€¦ · Makes atria contract at same time atrioventricular (AV) node Lower right atrium Sends message down the Purkinje fibres to the

Section2Workbook(CirculatoryANSWERS)( ( Key$€¦ · Makes atria contract at same time atrioventricular (AV) node Lower right atrium Sends message down the Purkinje fibres to the

Continuous Enhanced Vagal Atrioventricular Nodal ...circres.ahajournals.org/content/circresaha/68/6/1614.full.pdf · Atrioventricular Nodal and Sinoatrial NodalFunction in Humans

Continuous Enhanced Vagal Atrioventricular Nodal ...circres.ahajournals.org/content/circresaha/68/6/1614.full.pdf · Atrioventricular Nodal and Sinoatrial NodalFunction in Humans

Molecular Investigation into the Human Atrioventricular Node in Heart Failure ·  · 2015-04-22Molecular Investigation into the Human Atrioventricular Node in Heart Failure Halina

Molecular Investigation into the Human Atrioventricular Node in Heart Failure ·  · 2015-04-22Molecular Investigation into the Human Atrioventricular Node in Heart Failure Halina

European Heart Rhythm Association (EHRA) Rhythm …ecglifewaves.com/images/BIBLIOGRAFIA/Supraventricular_Arrhytmias... · AVN: atrioventricular node ... EPS: electrophysiology study

European Heart Rhythm Association (EHRA) Rhythm …ecglifewaves.com/images/BIBLIOGRAFIA/Supraventricular_Arrhytmias... · AVN: atrioventricular node ... EPS: electrophysiology study

Calmodulin kinase II is required for fight or flight sinoatrial node physiology · for SAN fight or flight physiology. Results CaMKII Inhibition Reduces Fight or Flight HR Responses.

Calmodulin kinase II is required for fight or flight sinoatrial node physiology · for SAN fight or flight physiology. Results CaMKII Inhibition Reduces Fight or Flight HR Responses.

Burst pacemaker activity of the sinoatrial node in … pacemaker activity of the sinoatrial node in sodium–calcium exchanger knockout mice Angelo G. Torrentea, Rui Zhanga, Audrey

Burst pacemaker activity of the sinoatrial node in … pacemaker activity of the sinoatrial node in sodium–calcium exchanger knockout mice Angelo G. Torrentea, Rui Zhanga, Audrey

Student book / EN · Should the SA node fails to generate an impulse, another site in the network will usually take over and generate impuls-es. The atrioventricular (AV) node is

Student book / EN · Should the SA node fails to generate an impulse, another site in the network will usually take over and generate impuls-es. The atrioventricular (AV) node is

Arteries & Veins To Know For Practical. Parts of Intrinsic Conduction System Sinoatrial Node (SA node) - the pacemaker; where the action potential originates,

Arteries & Veins To Know For Practical. Parts of Intrinsic Conduction System Sinoatrial Node (SA node) - the pacemaker; where the action potential originates,

Vision Premier Holter Analysis Systems · Heart Rate Variability Software analyzes regulation of the sinoatrial node, the natural pacemaker of the heart. It measures the degree of

Vision Premier Holter Analysis Systems · Heart Rate Variability Software analyzes regulation of the sinoatrial node, the natural pacemaker of the heart. It measures the degree of

THE EMBRYOLOGYCAL FEATURES OF ATRIOVENTRICULAR … · 269. The Embryologycal Features of Atrioventricular Septal Defect Diagnosed in The Fetal Life. of cases the common atrioventricular

THE EMBRYOLOGYCAL FEATURES OF ATRIOVENTRICULAR … · 269. The Embryologycal Features of Atrioventricular Septal Defect Diagnosed in The Fetal Life. of cases the common atrioventricular

mmcp2013.jinr.rummcp2013.jinr.ru/files/boa.pdf · R.R. Aliev, R.A. Syunyaev Computer simulation of electrical activity in the sinoatrial node ........... 30 I.V. Amirkhanov, N.R.

mmcp2013.jinr.rummcp2013.jinr.ru/files/boa.pdf · R.R. Aliev, R.A. Syunyaev Computer simulation of electrical activity in the sinoatrial node ........... 30 I.V. Amirkhanov, N.R.

Rytmonorm - Global Sites · 2020-05-08 · 1 May be manifested by cholestasis, blood dyscrasias and rash 2 Excluding vertigo 3 Including sinoatrial block, atrioventricular block and

Rytmonorm - Global Sites · 2020-05-08 · 1 May be manifested by cholestasis, blood dyscrasias and rash 2 Excluding vertigo 3 Including sinoatrial block, atrioventricular block and

Molecular Investigation into the Human …...Molecular Investigation into the Human Atrioventricular Node in Heart Failure Halina Dobrzynski1*, Andrew Atkinson 1, Zoltan Borbas , Christina

Molecular Investigation into the Human …...Molecular Investigation into the Human Atrioventricular Node in Heart Failure Halina Dobrzynski1*, Andrew Atkinson 1, Zoltan Borbas , Christina

Addenda ESC Guidelines on Heart Failure Web Tables · Sinus node dysfunction Conduction disorders • Atrioventricular block High output states • Anaemia • Sepsis • Thyrotoxicosis

Addenda ESC Guidelines on Heart Failure Web Tables · Sinus node dysfunction Conduction disorders • Atrioventricular block High output states • Anaemia • Sepsis • Thyrotoxicosis

Electrical conduction in the Heart The Sinoatrial node (SA node), is a group of autorhythmic cells (main pacemaker of the heart) in the right atrium near.

Electrical conduction in the Heart The Sinoatrial node (SA node), is a group of autorhythmic cells (main pacemaker of the heart) in the right atrium near.

Computer Simulation and Method for Heart Rhythm Control ...wseas.us/e-library/transactions/systems/2010/89-407.pdf · network of self-excitatory pacemakers, with sinoatrial (SA) node

Computer Simulation and Method for Heart Rhythm Control ...wseas.us/e-library/transactions/systems/2010/89-407.pdf · network of self-excitatory pacemakers, with sinoatrial (SA) node

ANGIOGRAPHY. Your Hearts Electrical System Lubb The sinoatrial node fires. The signal is sent through to both atriums which contract pushing blood into.

ANGIOGRAPHY. Your Hearts Electrical System Lubb The sinoatrial node fires. The signal is sent through to both atriums which contract pushing blood into.

Co-ordination of the Cardiac Cycle Aims Describe how heart action is coordinated with reference to the sinoatrial node (SAN), the atrioventricular node.

Co-ordination of the Cardiac Cycle Aims Describe how heart action is coordinated with reference to the sinoatrial node (SAN), the atrioventricular node.