Aortic valve area calculation
Aortic Valve Area Calculation
The Aortic Valve Area Calculation (AVAC) is a medical procedure used to measure the area of the aortic valve. The calculation is typically used in the diagnosis and monitoring of aortic stenosis, a condition characterized by the narrowing of the aortic valve.
Pronunciation
Aortic: /eɪˈɔːr.tɪk/ Valve: /vælv/ Area: /ˈeər.i.ə/ Calculation: /ˌkæl.kjʊˈleɪ.ʃən/
Etymology
The term 'Aortic' is derived from the Greek word 'Aorte', meaning 'that which is hung up'. 'Valve' comes from the Latin 'valva', meaning 'a part of a door'. 'Area' is from the Latin 'area', meaning 'a vacant piece of level ground', and 'Calculation' is from the Latin 'calculatio', meaning 'a counting, reckoning'.
Procedure
The Aortic Valve Area Calculation is typically performed using echocardiography, a diagnostic test that uses ultrasound waves to create images of the heart. The calculation is based on the Continuity Equation, which states that the flow in one area must equal the flow in a second area if there are no shunts between the two areas.
Related Terms
- Aortic Stenosis: A condition characterized by the narrowing of the aortic valve.
- Echocardiography: A diagnostic test that uses ultrasound waves to create images of the heart.
- Continuity Equation: A principle in fluid dynamics that states that the product of the cross-sectional area of a tube and the speed of fluid flow must remain constant.
See Also
External links
- Medical encyclopedia article on Aortic valve area calculation
- Wikipedia's article - Aortic valve area calculation
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