Cardiology | |
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This article is part of a series. | |
Investigations | |
Physical examination Electrocardiography Imaging techniques Stress testing Tilt testing Cardiac catherization | |
Conditions | |
Cardiac arrhythmias Congenital heart disease Endocardial disease Heart failure Ischaemic heart disease Pericardial diasease Valvular heart disease Vascular disease | |
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Aortic insufficiency (AI), also known as aortic regurgitation, is a type of heart valve disease in which the leaking of the heart's aortic valve results in the backflow of blood from the aorta into the left ventricle during ventricular diastole.