About-Cardio
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We provide our users the most up-to-date and accurate information on the treatment and prevention of cardio pathologies in accordance with current American and European clinical guidelines.
The information provided on this website is for educational purposes only and should not be considered medical advice. Always consult a licensed physician for diagnosis and treatment.
Heart Valves: Names and Functions
Introduction
The human heart contains four valves, which ensure the unidirectional flow of blood. These valves open and close with each heartbeat, preventing the backflow of blood and maintaining efficient circulation. Understanding their names and functions can help in recognizing various heart conditions.
The Four Heart Valves
- Aortic Valve: Located between the left ventricle and the aorta, this valve ensures that oxygen-rich blood flows out into the body.
- Mitral Valve (Bicuspid Valve): Positioned between the left atrium and left ventricle, it allows blood to move between these two chambers.
- Tricuspid Valve: Found between the right atrium and right ventricle, this valve regulates blood flow in the right side of the heart.
- Pulmonary Valve: Situated between the right ventricle and the pulmonary artery, it allows blood to move towards the lungs for oxygenation.
Common Heart Valve Disorders
- Stenosis: Narrowing of a valve, restricting blood flow.
- Regurgitation (Insufficiency): Improper closure of the valve, causing blood to leak backward.
- Prolapse: The valve leaflets bulge back into the chamber, leading to inefficiency.
Conclusion
Each heart valve plays a crucial role in circulation. Disorders affecting these valves can lead to serious conditions like heart failure, requiring medical intervention through medications or surgical procedures.
Source recommendations
1. American Heart Association Guidelines on Valvular Heart Disease
- https://www.ahajournals.org/doi/10.1161/CIR.0000000000000923
- https://pubmed.ncbi.nlm.nih.gov/33332149/
- https://professional.heart.org/en/guidelines-and-statements
- https://www.heart.org/en/health-topics/heart-valve-problems-and-disease
- https://www.acc.org/Latest-in-Cardiology/ten-points-to-remember/2024/03/13/18/13/2024-acc-aha-clinical-performance-valvular
2. European Society of Cardiology Guidelines for the Management of Valvular Heart Disease
- https://www.escardio.org/Guidelines/Clinical-Practice-Guidelines/Valvular-Heart-Disease-Guidelines
- https://academic.oup.com/eurheartj/article/43/7/561/6358470
- https://pubmed.ncbi.nlm.nih.gov/34453165/
- https://www.ahajournals.org/doi/10.1161/CIR.0000000000000923
- https://pubmed.ncbi.nlm.nih.gov/17259184/
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If you or your loved ones experience any of these symptoms, you should consult a doctor in time. Remember that self-medication can be dangerous, and timely diagnosis will preserve the quality and life expectancy.
The heart is an organ that does not know how to "keep silent" if something goes wrong. Chest pain, shortness of breath, swelling, dizziness, and rhythm disturbances are the symptoms that require our attention. The best prevention of heart disease is careful attention to your health, regular checkups with a doctor, and a healthy lifestyle. Take care of your heart, and it will serve you for many years!
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Our answers to your questions are based on the clinical recommendations of countries with the most developed healthcare systems in the field of cardiology in the USA, the EU and Japan.
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Every 3-5 years, half of the scientific approaches to treatment in the field of cardiology are reviewed as a result of specialized scientific discoveries. With us, you don't have to wait these years to learn about the best ways to treat you and your loved ones.