Related Experiment Video

Updated: Jan 11, 2026

Electrophysiological Assessment of Murine Atria with High-Resolution Optical Mapping
08:19

Electrophysiological Assessment of Murine Atria with High-Resolution Optical Mapping

Published on: February 22, 2018

10.4K

The Atrioventricular and Ventriculo-arterial Junctions: A Clinical Perspective for Electrophysiological and

Robert H Anderson1, Damian Sanchez-Quintana2, Diane E Spicer3

  • 1Biosciences Division, Newcastle University Newcastle-upon-Tyne, UK.

Arrhythmia & Electrophysiology Review
|November 14, 2025
PubMed

Insights

Understanding heart anatomy, specifically the atrioventricular and ventriculo-arterial junctions, is crucial for safe transcatheter interventions. This review revisits the anatomy of the atrioventricular junctional areas.

Area of Science:

  • Cardiovascular anatomy
  • Electrophysiology
  • Cardiac intervention

Background:

  • Transcatheter procedures for cardiac electrophysiological and structural interventions require detailed anatomical knowledge.
  • The atrioventricular and ventriculo-arterial junctions are critical areas for these interventions.

Purpose of the Study:

  • To provide an in-depth review of the anatomy of the atrioventricular and ventriculo-arterial junctions.
  • To focus on the anatomical details of the atrioventricular junctional areas.

Main Methods:

  • Review of existing anatomical literature.
  • Anatomical description of the atrioventricular junctional areas.

Main Results:

  • Detailed anatomical description of the atrioventricular junctional areas.
  • Emphasis on anatomical features relevant to transcatheter interventions.

Conclusions:

  • A thorough understanding of heart junctional anatomy is essential for safe and effective transcatheter electrophysiological and structural interventions.
  • This review provides foundational anatomical knowledge of the atrioventricular junction.

Keywords:
Atrioventricular junctionablationstructural intervention

More Related Videos

Author Spotlight: Developing a Translational Model for Atrial Fibrillation Research Across Species08:52

Author Spotlight: Developing a Translational Model for Atrial Fibrillation Research Across Species

Published on: November 21, 2023

1.4K
Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure07:41

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure

Published on: February 8, 2022

4.2K

Related Concept Videos

ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias01:25

ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias

Arrhythmia is a condition characterized by an irregular heart rhythm, with ECG changes that differ based on its origin and nature. The types of arrhythmias discussed below include atrial, junctional, and ventricular arrhythmias.Atrial ArrhythmiasPremature Atrial Complexes (PACs): PACs are early atrial beats caused by stress, caffeine, alcohol, electrolyte imbalances, hypoxia, hyperthyroidism, or certain medications (e.g., bronchodilators and decongestants). The ECG shows early P waves with an...
445
Electrophysiology of Normal Cardiac Rhythm01:19

Electrophysiology of Normal Cardiac Rhythm

The normal cardiac rhythm is a synchronized electrical activity that facilitates the regular and coordinated contraction of the heart muscle. This process is essential for efficient blood circulation throughout the body. The fundamental elements involved in establishing and maintaining this rhythm include the unique electrical properties of cardiac muscle cells, the sinoatrial (SA) node's pacemaker function, the specialized conducting system, and the ionic mechanisms underlying each phase...
8.7K
Mechanism of Cardiac Arrhythmias01:28

Mechanism of Cardiac Arrhythmias

Arrhythmias are irregular heart rhythms occurring when the heart's electrical impulses become abnormal. These disturbances can lead to various symptoms, depending on their severity and the underlying cause. Some common factors contributing to arrhythmias include hypoxia, ischemia, electrolyte imbalances, excessive catecholamine exposure, drug toxicity, and muscle overstretching. Arrhythmias can be classified into two main types based on the rate and site of origin of abnormal heart rhythms.
1.6K
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
444
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

Mitral regurgitation is characterized by the backward circulation of blood from the left ventricle to the left atrium during systole, a phase of the cardiac cycle when the heart contracts and pumps blood out of the chambers. This abnormal flow occurs primarily due to the dysfunction of the mitral valve or its supporting structures, which include the mitral leaflets, chordae tendineae, annulus, and papillary muscles.Etiology and Mechanisms:Primary Mitral Regurgitation: This type arises from...
394
Chambers of the Heart01:16

Chambers of the Heart

The human heart is a complex organ made up of four chambers: the right and left atria and the right and left ventricles. These internal chambers are separated by partitions known as the interatrial and interventricular septa. The exterior of the heart features a groove known as the coronary sulcus that demarcates the atria from the ventricles, while the anterior and posterior interventricular sulci distinguish between the two ventricles.
Deoxygenated blood from the body is received in the right...
9.6K