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  1. The Amazing Aortic Valve
    The Amazing Aortic Valve
    What is aortic valve disease and how does it affect the heart?
    What is aortic valve disease and how does it affect the heart?
    Structure

    The aortic valve normally has three cusps however there is some discrepancy in their naming. They may be called the left coronary, right coronary and non-coronary cusp. Some sources also advocate they be named as … See more

    Function

    When the left ventricle contracts (systole), pressure rises in the left ventricle. When the pressure in the left ventricle rises above the pressure in the aorta, the aortic valve opens, allowing blood to exit the left ventricle into the aor… See more

    Clinical significance

    A normally functioning valve permits normal physiology and dysfunction of the valve results in left ventricular hypertrophy and heart failure. Dysfunctional aortic valves often present as heart failure by non-specific symptoms such … See more

    Evaluation

    Evaluation of the aortic valve can be done with several modalities. Auscultation with a stethoscope is quick and easy. It contributes the A2 component to the second heart sound and changes with inspiration ("splitting") … See more

    Additional images

    • A replaceable model of Cardiac Biological Valve Prosthesis.
    • Front of thorax, showing surface relations of bones, lungs (purple), pleura (blue), and heart (red outline). Heart valves are labeled with "B", "T", "A", and "P". … See more

    External links

    Anatomy figure: 20:07-02 at Human Anatomy Online, SUNY Downstate Medical Center See more

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