aortic orifice


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Related to aortic orifice: Aortic opening
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Noun1.aortic orifice - the orifice from the lower left chamber of the heart to the aortaaortic orifice - the orifice from the lower left chamber of the heart to the aorta
orifice, porta, opening - an aperture or hole that opens into a bodily cavity; "the orifice into the aorta from the lower left chamber of the heart"
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Between induction of anaesthesia and cardiopulmonary bypass, a dedicated anaesthetist completed an echocardiographic study, including measurements of the functional aortic valve area by direct planimetry and equilateral triangle-shaped planimetry of the aortic orifice in mid systole (using the aortic valve short axis view), left ventricular outflow tract aortic valve diameter (using the aortic valve long axis view) and pulmonary valve diameter (using the right ventricular inflow-outflow view), all in triplicate.