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Related Concept Videos

Anatomy of the Heart01:27

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.
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...
Heart Valves01:16

Heart Valves

The human heart is a complex organ with an intricate system of valves that regulate blood flow. There are two main types of valves: atrioventricular (AV) valves and semilunar valves.
The AV valves prevent the backflow of blood from the ventricles to the atria during ventricular contraction. These valves function with the assistance of the chordae tendineae and papillary muscles. When the ventricles are relaxed, the chordae tendineae are slack, allowing blood to flow from the atria into the...
Cardiac Cycle01:29

Cardiac Cycle

The cardiac cycle refers to the sequence of events that occur in the heart from the beginning of one heartbeat to the next. It's characterized by alternating periods of contraction (systole) and relaxation (diastole) of the heart muscles.
During the cardiac cycle, blood flow through the heart is regulated entirely by changing pressure gradients. This sequence of events begins with the heart in a state of total relaxation, known as mid-to-late diastole, during which blood passively flows from...
Anatomy of the Heart01:20

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...
Physiology of the Heart: The Cardiac Cycle01:18

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...

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Related Experiment Video

Updated: Jun 24, 2026

Echocardiographic Assessment of Cardiac Anatomy and Function in Adult Rats
08:09

Echocardiographic Assessment of Cardiac Anatomy and Function in Adult Rats

Published on: December 13, 2019

Single-ventricle physiology.

Steven M Schwartz1, Catherine L Dent, Ndidi L Musa

  • 1Division of Cardiology, Cardiac Intensive Care Unit, Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH 45244, USA. schws0@cchmc.org

Critical Care Clinics
|July 10, 2003
PubMed
Summary
This summary is machine-generated.

Managing patients with single-ventricle physiology requires an integrated intensive care approach. Collaboration among specialists and experienced teams is crucial for improving outcomes in single-ventricle palliation.

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Closed Chest Biventricular Pressure-Volume Loop Recordings with Admittance Catheters in a Porcine Model
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Closed Chest Biventricular Pressure-Volume Loop Recordings with Admittance Catheters in a Porcine Model

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Last Updated: Jun 24, 2026

Echocardiographic Assessment of Cardiac Anatomy and Function in Adult Rats
08:09

Echocardiographic Assessment of Cardiac Anatomy and Function in Adult Rats

Published on: December 13, 2019

Biventricular Assessment of Cardiac Function and Pressure-Volume Loops by Closed-Chest Catheterization in Mice
08:21

Biventricular Assessment of Cardiac Function and Pressure-Volume Loops by Closed-Chest Catheterization in Mice

Published on: June 15, 2020

Closed Chest Biventricular Pressure-Volume Loop Recordings with Admittance Catheters in a Porcine Model
07:56

Closed Chest Biventricular Pressure-Volume Loop Recordings with Admittance Catheters in a Porcine Model

Published on: May 18, 2021

Area of Science:

  • Pediatric Cardiology
  • Intensive Care Medicine
  • Congenital Heart Disease

Background:

  • Single-ventricle physiology poses complex management challenges in intensive care.
  • Effective care necessitates a deep understanding of cardiac anatomy and cardiopulmonary physiology.

Purpose of the Study:

  • To outline an integrated management strategy for intensive care of single-ventricle patients.
  • To emphasize the importance of multidisciplinary collaboration in optimizing patient outcomes.

Main Methods:

  • Application of knowledge in cardiac anatomy and physiology.
  • Integration of intensive care principles.
  • Multidisciplinary team approach involving surgeons, cardiologists, intensivists, nurses, and respiratory therapists.

Main Results:

  • An integrated approach is essential for guiding individualized patient management.
  • Cooperative involvement of a specialized team improves care delivery.
  • Continuous improvement in palliation outcomes is achievable through innovation and scientific analysis.

Conclusions:

  • Successful management of single-ventricle patients relies on a comprehensive, integrated intensive care strategy.
  • Multidisciplinary teamwork and ongoing scientific evaluation are key to advancing patient care and outcomes.