Aortic Regurgitation: Backflow of blood from the aorta into the left ventricle, owing to imperfect functioning of the aortic semilunar valve.

Synonym: aortic valve insufficiency, aortic valve incompetence, aortic incompetence, aortic valve regurgitation.

Terms Related to Aortic Regurgitation

• Mitral Valve Regurgitation

  Backflow of blood from the left ventricle into the left atrium, owing to imperfect functioning of the mitral valve.

• Tricuspid Valve Regurgitation

  Backflow of blood from the right ventricle into the right atrium, owing to imperfect functioning of the tricuspid valve.

• Mitral Valve Insufficiency

  Backflow of blood from the left ventricle into the left atrium, owing to imperfect functioning of the mitral valve.

• Pulmonary Valve Regurgitation

  Backflow of blood from the pulmonary artery into the right ventricle, owing to imperfect functioning of the pulmonary valve.

• Aortic Valve

  The valve between the left ventricle and the ascending aorta which prevents backflow into the left ventricle.

• Mitral Insufficiency

  Backflow of blood from the left ventricle into the left atrium, owing to imperfect functioning of the mitral valve.

• Pulmonary Regurgitation

  Backflow of blood from the pulmonary artery into the right ventricle, owing to imperfect functioning of the pulmonary valve.

• Tricuspid Valve Insufficiency

  Backflow of blood from the right ventricle into the right atrium, owing to imperfect functioning of the tricuspid valve.

• Pulmonary Valve Insufficiency

  Backflow of blood from the pulmonary artery into the right ventricle, owing to imperfect functioning of the pulmonary valve.

• Supravalvular Aortic Stenosis

  A narrowing of the aorta in the region above the aortic valve.