Heart Valve
Heart Valve
The heart valve is a type of valve found in the heart that regulates the flow of blood within the heart's four chambers. There are four heart valves in a human heart, namely the mitral valve, tricuspid valve, pulmonary valve, and aortic valve.
Function[edit | edit source]
The primary function of the heart valves is to maintain unidirectional blood flow through the heart. During each heartbeat, the valves open and close once, which constitutes a cardiac cycle. The opening and closing of the heart valves produce the heartbeat sounds.
Structure[edit | edit source]
Each heart valve consists of two or three flaps (also known as cusps or leaflets) that open to allow blood to move forward and close to prevent blood from flowing backward.
Mitral Valve[edit | edit source]
The mitral valve, also known as the bicuspid valve, is located between the left atrium and the left ventricle. It has two flaps and is responsible for controlling the flow of blood from the left atrium into the left ventricle.
Tricuspid Valve[edit | edit source]
The tricuspid valve is located between the right atrium and the right ventricle. It has three flaps and controls the flow of blood from the right atrium into the right ventricle.
Pulmonary Valve[edit | edit source]
The pulmonary valve is located between the right ventricle and the pulmonary artery. It has three flaps and controls the flow of blood from the right ventricle into the pulmonary artery.
Aortic Valve[edit | edit source]
The aortic valve is located between the left ventricle and the aorta. It has three flaps and controls the flow of blood from the left ventricle into the aorta.
Diseases[edit | edit source]
Diseases of the heart valves can occur due to a variety of reasons, including congenital defects, infection, ageing, and heart disease. Common heart valve diseases include valvular stenosis, valvular insufficiency, and valve prolapse.
Treatment[edit | edit source]
Treatment for heart valve diseases depends on the severity and type of the disease. It may include medication, surgery, or valve replacement.
See Also[edit | edit source]
| Heart Valve Resources | |
|---|---|
|
 |
Search WikiMD
Ad.Tired of being Overweight? Try W8MD's physician weight loss program.
Semaglutide (Ozempic / Wegovy and Tirzepatide (Mounjaro / Zepbound) available.
Advertise on WikiMD
|
WikiMD's Wellness Encyclopedia |
| Let Food Be Thy Medicine Medicine Thy Food - Hippocrates |
Translate this page: - East Asian
中文,
日本,
한국어,
South Asian
हिन्दी,
தமிழ்,
తెలుగు,
Urdu,
ಕನ್ನಡ,
Southeast Asian
Indonesian,
Vietnamese,
Thai,
မြန်မာဘာသာ,
বাংলা
European
español,
Deutsch,
français,
Greek,
português do Brasil,
polski,
română,
русский,
Nederlands,
norsk,
svenska,
suomi,
Italian
Middle Eastern & African
عربى,
Turkish,
Persian,
Hebrew,
Afrikaans,
isiZulu,
Kiswahili,
Other
Bulgarian,
Hungarian,
Czech,
Swedish,
മലയാളം,
मराठी,
ਪੰਜਾਬੀ,
ગુજરાતી,
Portuguese,
Ukrainian
Medical Disclaimer: WikiMD is not a substitute for professional medical advice. The information on WikiMD is provided as an information resource only, may be incorrect, outdated or misleading, and is not to be used or relied on for any diagnostic or treatment purposes. Please consult your health care provider before making any healthcare decisions or for guidance about a specific medical condition. WikiMD expressly disclaims responsibility, and shall have no liability, for any damages, loss, injury, or liability whatsoever suffered as a result of your reliance on the information contained in this site. By visiting this site you agree to the foregoing terms and conditions, which may from time to time be changed or supplemented by WikiMD. If you do not agree to the foregoing terms and conditions, you should not enter or use this site. See full disclaimer.
Credits:Most images are courtesy of Wikimedia commons, and templates Wikipedia, licensed under CC BY SA or similar.
Contributors: Prab R. Tumpati, MD
