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

Anatomy of the Heart

Anatomy of the Heart

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.

Anatomy of the Heart

Anatomy of the Heart

The heart is a hollow, muscular organ approximately the size of a fist, consisting of four chambers. It is enclosed in the pericardium, a fibrous sac with two layers: the visceral and parietal pericardium, separated by a fluid-filled space containing serous fluid to reduce friction.
The heart has three layers: the innermost endocardium, the muscular myocardium, and the outer epicardium, all working together for optimal cardiac function.
Chambers of the Heart
The heart is made up of four...

Overview of the Heart

Overview of the Heart

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...

Conduction System of the Heart

Conduction System of the Heart

Autorhythmicity is a term that refers to the heart's inherent ability to generate electrical signals and instigate muscle contractions. This self-regulating conduction system within the heart consists of two key components: the pacemaker cells and specialized conducting cells.
The pacemaker cells are located in two primary nodes: the sinoatrial (SA) node and the atrioventricular (AV) node. The SA node pacemaker cells can autonomously depolarize, triggering an action potential that leads to the...

Conduction System of the Heart

Conduction System of the Heart

The cardiac conduction system produces and transmits electrical impulses that prompt myocardial contraction, ensuring efficient heart function. This intricate system ensures that the heart beats in a coordinated and efficient manner, beginning with the atria and then the ventricles. The conduction system optimizes cardiac output by maintaining this precise sequence, which is crucial for adequate blood circulation.
This system relies on the unique properties of nodal and Purkinje cells:...

Chambers of the Heart

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...

You might also read

Related Articles

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

Sort by

Same author

Laparoscopic Excision of Cesarean Scar Ectopic Pregnancy.

Journal of obstetrics and gynaecology of India·2020

Same author

Unexpected rupture of an expectantly managed tubal ectopic pregnancy: a reminder for enhanced diligence.

BMJ case reports·2020

Same author

Unindicated hysterectomies in India: the aftermath.

BMJ case reports·2019

Same author

Chronic uterine inversion with malignancy mimicking carcinoma cervix.

BMJ case reports·2019

Same journal

Post-extubation pneumothorax following bougie-assisted endotracheal tube exchange.

BMJ case reports·2026

Same journal

Cardiac tamponade secondary to hypothyroidism.

BMJ case reports·2026

Same journal

Unmasking a rare contrast reaction: acute non-cardiogenic pulmonary oedema after iohexol injection.

BMJ case reports·2026

Same journal

Water gonioscopy-assisted transluminaltrabeculotomy.

BMJ case reports·2026

Same journal

<i>Clostridioides difficile</i> osteomyelitis presenting as a Brodie's abscess of the tibia.

BMJ case reports·2026

Same journal

Steroid refractory rapidly progressing organising pneumonia.

BMJ case reports·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Feb 14, 2026

Decellularization of Whole Human Heart Inside a Pressurized Pouch in an Inverted Orientation

Decellularization of Whole Human Heart Inside a Pressurized Pouch in an Inverted Orientation

Published on: November 26, 2018

A womb like a broken heart.

Amenda Ann Davis¹

¹Department of Obstetrics and Gynecology, All India Institute of Medical Sciences, New Delhi, India.

BMJ Case Reports

|February 24, 2018

Summary

This summary is machine-generated.

A uterine perforation during hysteroscopic septal resection can lead to silent uterine rupture in subsequent pregnancies. This case highlights a rare complication following hysteroscopic septum resection.

Keywords:

obstetrics and gynaecology pregnancy reproductive medicine surgery

More Related Videos

Implantation of Total Artificial Heart in Congenital Heart Disease

Implantation of Total Artificial Heart in Congenital Heart Disease

Published on: July 18, 2014

Author Spotlight: Enhancing Donor Heart Preservation Through Isolated Rat Heart Perfusion Studies

Author Spotlight: Enhancing Donor Heart Preservation Through Isolated Rat Heart Perfusion Studies

Published on: October 4, 2024

Related Experiment Videos

Last Updated: Feb 14, 2026

Decellularization of Whole Human Heart Inside a Pressurized Pouch in an Inverted Orientation

Decellularization of Whole Human Heart Inside a Pressurized Pouch in an Inverted Orientation

Published on: November 26, 2018

Implantation of Total Artificial Heart in Congenital Heart Disease

Implantation of Total Artificial Heart in Congenital Heart Disease

Published on: July 18, 2014

Author Spotlight: Enhancing Donor Heart Preservation Through Isolated Rat Heart Perfusion Studies

Author Spotlight: Enhancing Donor Heart Preservation Through Isolated Rat Heart Perfusion Studies

Published on: October 4, 2024

Area of Science:

Gynecology
Reproductive Medicine
Surgical Complications

Background:

Uterine septa are Müllerian anomalies linked to infertility and pregnancy loss.
Hysteroscopic resection of uterine septa can improve pregnancy outcomes.
Uterine perforation is a known complication of hysteroscopic procedures.

Observation:

A patient with a history of hysteroscopic septal resection experienced uterine fundal perforation, which healed spontaneously.
The patient conceived spontaneously and later underwent an emergency cesarean section for severe pre-eclampsia.
Intraoperative findings revealed a 3 cm defect at the uterine fundus, lacking myometrium and serosa.

Findings:

The uterine defect represented a silent uterine rupture.
The spontaneous healing of the perforation did not prevent uterine rupture in a subsequent pregnancy.
Severe pre-eclampsia unexpectedly mitigated the risk of labor onset during the silent rupture.

Implications:

This case underscores the potential for severe complications, including uterine rupture, after hysteroscopic septal resection.
It highlights the importance of careful monitoring and consideration of uterine integrity in future pregnancies.
Further research is needed to understand the long-term risks and optimal management of uterine perforations during hysteroscopic procedures.