Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Coronary Circulation

Coronary Circulation

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...

The Arch of Aorta

The Arch of Aorta

The coronary arteries, originating from the ascending aorta, bifurcate from two sinuses located within the ascending aorta. Positioned just above the aortic semilunar valve, these sinuses house essential aortic baroreceptors and chemoreceptors, crucial for maintaining cardiac function. The left coronary artery and the right coronary artery branch off from the left posterior and anterior aortic sinuses, respectively.
Encircling the heart, the coronary arteries form a ring-like structure before...

The Aorta

The Aorta

The aorta is the largest artery in the human body. It originates from the left ventricle of the heart and extends down to the abdomen, where it splits into two smaller arteries. Structurally, it can be divided into four main parts: the ascending aorta, the aortic arch, the thoracic aorta, and the abdominal aorta.
The average diameter of the aorta is approximately 2-3 cm, but the size can vary depending on the section of the aorta and the individual's age, sex, and body size. The aorta is...

Cardiac Catheterization III: Left Heart Catheterization

Cardiac Catheterization III: Left Heart Catheterization

Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...

Physiology of the Heart: The Cardiac Cycle

Physiology of the Heart: The Cardiac Cycle

The cardiac cycle describes the events from one heartbeat to the next. It includes three main phases: diastole, atrial systole, and ventricular systole, all driven by changes in chamber pressures and the function of heart valves.
Diastole: The Relaxation Phase
During diastole, all four heart chambers relax. The atrioventricular (AV) valves open, and the semilunar valves close. This phase sees the lowest chamber pressures, promoting ventricular filling. Venous blood enters the heart through the...

Thoracic Aorta

Thoracic Aorta

The thoracic section of the aorta begins at the T5 vertebra and extends to the T12 level at the diaphragm, initially progressing through the mediastinum to the left of the spinal column. Throughout its course in the thoracic segment, the thoracic aorta emits various offshoots known collectively as visceral and parietal branches. The branches that predominantly supply blood to visceral organs are termed visceral branches and include bronchial, pericardial, esophageal, and mediastinal arteries,...

You might also read

Related Articles

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

Sort by

Same author

Arrhythmias in Patients with Cancer: Pathophysiology, Risk Stratification and Clinical Implications.

Trends in cardiovascular medicine·2026

Same author

Left atrioventricular coupling index in transthyretin amyloid cardiomyopathy: Association with mortality.

International journal of cardiology·2026

Same author

Abnormal active myocardial relaxation by dipyridamole stress test in suspected early-stage heart failure with preserved ejection fraction: a retrospective exploratory analysis.

Frontiers in cardiovascular medicine·2026

Same author

Percutaneous treatment of pulmonary vein stenosis: a transoesophageal echocardiography step-by-step guide in diagnosis and treatment.

European heart journal. Imaging methods and practice·2026

Same author

Incident cancer in heart failure, myocardial infarction or both: a report from a global federated research network.

European journal of heart failure·2026

Same author

Prevalence and Prognostic Value of Right Ventricular-Pulmonary Artery Uncoupling in Adults with Right-Sided Congenital Heart Disease.

Journal of personalized medicine·2026

Search research articles

Related Experiment Video

Updated: May 19, 2026

Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery (ALCAPA)

Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery (ALCAPA)

Published on: April 24, 2017

Colon-like right coronary artery.

Francesco Fracassi¹, Giampaolo Niccoli, Nicola Cosentino

¹Institute of Cardiology, Catholic University of the Sacred Heart, Rome, Italy.

Journal of Cardiovascular Medicine (Hagerstown, Md.)

|August 22, 2012

Summary

Coronary aneurysms can affect one or multiple heart artery segments. This case highlights a rare instance of diffuse aneurysmatic dilatation affecting the entire right coronary artery.

More Related Videos

Left Anterior Descending Coronary Artery Ligation for Ischemia-Reperfusion Research: Model Improvement via Technical Modifications and Quality Control

Left Anterior Descending Coronary Artery Ligation for Ischemia-Reperfusion Research: Model Improvement via Technical Modifications and Quality Control

Published on: December 16, 2022

Related Experiment Videos

Last Updated: May 19, 2026

Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery (ALCAPA)

Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery (ALCAPA)

Published on: April 24, 2017

Left Anterior Descending Coronary Artery Ligation for Ischemia-Reperfusion Research: Model Improvement via Technical Modifications and Quality Control

Left Anterior Descending Coronary Artery Ligation for Ischemia-Reperfusion Research: Model Improvement via Technical Modifications and Quality Control

Published on: December 16, 2022

Area of Science:

Cardiology
Vascular Medicine
Medical Case Reports

Background:

Coronary artery aneurysms (CAAs) are abnormal dilations of the coronary arteries.
While often localized, CAAs can present as diffuse or multifocal disease.
Understanding the spectrum of CAA presentation is crucial for diagnosis and management.

Observation:

This report details a rare case of coronary aneurysmatic dilatation.
The aneurysmal changes were observed to be diffuse, involving the entire length of the right coronary artery.
This presentation contrasts with more commonly reported segmental or localized forms.

Findings:

A diffuse aneurysmatic dilatation of the right coronary artery was identified.
This extensive involvement represents an uncommon manifestation of coronary artery disease.
The case underscores the variability in the anatomical expression of coronary aneurysms.

Implications:

This case expands the known spectrum of coronary artery aneurysm morphology.
It emphasizes the need for comprehensive imaging to assess the full extent of aneurysmal disease.
Further research into the etiology and management of diffuse CAAs is warranted.