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  2. Aortic valve area calculation - Wikipedia

    en.wikipedia.org/wiki/Aortic_valve_area_calculation

    In cardiology, aortic valve area calculation is an indirect method of determining the area of the aortic valve of the heart. The calculated aortic valve orifice area is currently one of the measures for evaluating the severity of aortic stenosis. A valve area of less than 1.0 cm 2 is considered to be severe aortic stenosis. [1] [2]

  3. Aortic stenosis - Wikipedia

    en.wikipedia.org/wiki/Aortic_stenosis

    Aortic stenosis; In the center an aortic valve with severe stenosis due to rheumatic heart disease. The valve is … surrounded by the aorta. The pulmonary trunk is at the upper right. The right coronary artery, cut lengthwise, is at the lower left. The left main coronary artery, also cut lengthwise, is on the right. Specialty: Cardiac surgery ...

  4. Wiggers diagram - Wikipedia

    en.wikipedia.org/wiki/Wiggers_diagram

    Wiggers diagram with mechanical (echo), electrical (ECG), and aortic pressure (catheter) waveforms, together with an in-ear dynamic pressure waveform measured using a novel infrasonic hemodynography technology, for a patient with severe aortic stenosis. Modified from [3]

  5. Transthoracic echocardiogram - Wikipedia

    en.wikipedia.org/wiki/Transthoracic_echocardiogram

    Pulmonary regurgitation (stenosis is possible, but rare) Inferior vena cava size as estimate of central venous pressure; Aortic root size for thoracic ascending aortic aneurysm; Pericardial effusion size; All function dysfunction is graded on a scale (normal, trace, mild, moderate, or severe) based on various criteria.

  6. Numerical modeling in echocardiography - Wikipedia

    en.wikipedia.org/wiki/Numerical_Modeling_in...

    Numerical manipulation of Doppler parameters obtain during routine Echocardiography has been extensively utilized to non-invasively estimate intra-cardiac pressures, in many cases removing the need for invasive cardiac catheterization. [1] Echocardiography uses ultrasound to create real-time anatomic images of the heart and its structures.

  7. Ventricular outflow tract obstruction - Wikipedia

    en.wikipedia.org/wiki/Ventricular_outflow_tract...

    The aortic valve is normally three leaflets but when it is bicuspid it is made of two. [6] This increases the risk for aortic stenosis due to increased stress on the leaflets, calcium deposition, turbulent blood flow, and scarring. If the stenosis is severe enough, surgical intervention may be necessary. [1]

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