Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Coronary Circulation01:21

Coronary Circulation

4.8K
The heart, an organ critical to survival, gets nourishment not from the blood it pumps but from a separate circulation system known as coronary circulation. This is the shortest circulation in the body and is responsible for supplying the heart with the nutrients it needs to function effectively.
Coronary circulation begins at the base of the aorta, where two main arteries arise—the left and right coronary arteries. These arteries encircle the heart in the coronary sulcus and supply the...
4.8K
Chambers of the Heart01:16

Chambers of the Heart

6.3K
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...
6.3K
Location and Orientation of the Heart01:13

Location and Orientation of the Heart

5.7K
The human heart, despite its modest size and weight, is an organ of remarkable strength and endurance. Roughly the size of a fist, the heart weighs between 250 and 350 grams and is nestled within the mediastinum, the medial cavity of the thorax. It extends obliquely for about 12 to 14 cm, resting on the superior surface of the diaphragm. The heart is positioned anterior to the vertebral column and posterior to the sternum, with two-thirds of its mass lying to the left of the midsternal line.
5.7K
Overview of the Heart01:07

Overview of the Heart

8.0K
The heart, a muscular organ located in the chest, functions as the body's pump, circulating blood through the vascular system. It has four chambers: two atria on top and two ventricles below. The right atrium receives deoxygenated blood from the body and passes it to the right ventricle, which pumps it to the lungs for oxygenation. The left atrium receives oxygenated blood from the lungs and transfers it to the left ventricle, which pumps it to the rest of the body.
The heart's structure...
8.0K
Arteries and Arterioles01:16

Arteries and Arterioles

5.3K
Arteries, the vasculature responsible for transporting blood from the heart, possess robust walls capable of enduring the elevated pressures exerted by the heartbeat. Arteries near the heart are especially thick-walled and enriched with elastic fibers across their three tunics, classifying them as elastic or conducting arteries. These arteries, usually with a diameter exceeding 10 mm, are characterized by their ability to dilate in response to the blood pumped from the heart's ventricles...
5.3K
Anatomy of the Heart01:27

Anatomy of the Heart

112.6K
The human heart is made up of three layers of tissue that are surrounded by the pericardium, a membrane that protects and confines the heart. The outermost layer, closest to the pericardium, is the epicardium. The pericardial cavity separates the pericardium from the epicardium. Beneath the epicardium is the myocardium, the middle layer, and the endocardium, the innermost layer. There are four chambers of the heart: the right atrium, the right ventricle, the left atrium, and the left ventricle.
112.6K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Global and regional DNA methylation patterns in heart failure: a case-control analysis.

EBioMedicine·2026
Same author

Acute and midterm outcomes of patients undergoing right-sided heart valve surgery for carcinoid heart valve disease.

JTCVS techniques·2026
Same author

Prognostic Value of Cardiovascular Biomarkers for Cardiac Stress Test Results and Adverse Cardiovascular Events in Patients With Suspected Coronary Artery Disease.

The American journal of cardiology·2026
Same author

MyD88 in myeloid cells drives angiotensin II-induced vascular inflammation, is associated with prevalent heart failure, and predicts all-cause mortality in arterial hypertension.

European heart journal open·2026
Same author

Risk factors for morbidity and mortality in Ebstein's anomaly: a registry-based study of 398 patients.

Clinical research in cardiology : official journal of the German Cardiac Society·2026
Same author

Echocardiographic strain imaging and progression of atrial fibrillation in low-risk individuals.

International journal of cardiology. Heart & vasculature·2026
Same journal

MT-MRI for detection of renal interstitial fibrosis in renovascular disease.

Scientific reports·2026
Same journal

Detection of underground objects from GPR data using a lightweight YOLO-based approach.

Scientific reports·2026
Same journal

Early systemic inflammatory-metabolic trajectory phenotypes are associated with survival outcomes in metastatic renal cell carcinoma treated with nivolumab.

Scientific reports·2026
Same journal

Water balance components in a dry-seeded rice-wheat system: Untangling the effects of tillage and mulching practices.

Scientific reports·2026
Same journal

Topological approaches to quantum tensor train compression via ZX-calculus and SVD.

Scientific reports·2026
Same journal

determinants of flood impacts and adaptive capacity among market vendors in Walukuba-Masese, Jinja city, Uganda.

Scientific reports·2026
See all related articles

Related Experiment Video

Updated: Oct 12, 2025

Murine Echocardiography of Left Atrium, Aorta, and Pulmonary Artery
08:17

Murine Echocardiography of Left Atrium, Aorta, and Pulmonary Artery

Published on: February 20, 2017

14.6K

Right atrium size in the general population.

Karsten Keller1,2,3, Christoph Sinning4,5, Andreas Schulz6

  • 1Department of Cardiology, Cardiology I, University Medical Center, Johannes Gutenberg University Mainz, Langenbeckstrasse 1, 55131, Mainz, Germany. Karsten.Keller@unimedizin-mainz.de.

Scientific Reports
|November 19, 2021
PubMed
Summary
This summary is machine-generated.

New echocardiography guidelines provide sex-specific reference limits for right atrium (RA) dimensions. Larger RA dimensions in men were noted, and RA volume is linked to BMI, heart disease, and atrial fibrillation, impacting mortality risk.

More Related Videos

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
07:41

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure

Published on: February 8, 2022

3.9K
Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation
08:10

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation

Published on: July 20, 2022

1.8K

Related Experiment Videos

Last Updated: Oct 12, 2025

Murine Echocardiography of Left Atrium, Aorta, and Pulmonary Artery
08:17

Murine Echocardiography of Left Atrium, Aorta, and Pulmonary Artery

Published on: February 20, 2017

14.6K
Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
07:41

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure

Published on: February 8, 2022

3.9K
Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation
08:10

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation

Published on: July 20, 2022

1.8K

Area of Science:

  • Cardiology
  • Medical Imaging
  • Public Health

Background:

  • Echocardiography is a primary cardiac imaging tool, yet sex-specific reference limits for right atrium (RA) dimensions are scarce.
  • Understanding normal RA size is crucial for accurate cardiac assessment.

Purpose of the Study:

  • To establish sex-specific reference limits for right atrium (RA) dimensions using echocardiography.
  • To identify factors associated with RA volume and their impact on mortality.

Main Methods:

  • Transthoracic echocardiography measurements were analyzed in 9511 participants from the Gutenberg-Health-Study.
  • A reference sample of 1942 healthy individuals was used to define 95th percentile sex-specific RA dimension limits.
  • Multivariable regression identified correlates of RA volume, and survival analysis assessed mortality risk.

Main Results:

  • Sex-specific differences in RA dimensions were observed, with men generally having larger RA sizes, though this was attenuated when normalized for height.
  • Normalized RA volumes were 20.2 ml/m for women and 26.1 ml/m for men.
  • Body mass index (BMI), coronary artery disease (CAD), chronic heart failure (CHF), and atrial fibrillation (AF) were key correlates of RA volume in both sexes.

Conclusions:

  • Sex-specific, height-normalized reference values for RA dimensions were established from a large community-based cohort.
  • RA volume is associated with BMI, CHF, CAD, and AF in both men and women.
  • Individuals with RA volumes outside the established reference limits exhibited a 1.7-fold increased risk of all-cause mortality.