Severe acute AR requires emergency<unk>  if there are no absolute contraindications to<unk> .  The<unk>  should be performed as early as possible without a delay, particularly if hypotension, decreased perfusion, or pulmonary edema are present.  In chronic AR,<unk>  valve replacement (AVR) is indicated in patients with severe AR who are either symptomatic regardless of LV systolic function, or those who are asymptomatic and have left ventricular ejection fraction <55%, or in patients with stage C or D AR who are undergoing cardiac<unk>  for other indications.
Aortic regurgitation surgery indications
Mitral regurgitation surgery indications
Aortic regurgitation surgery valve selection
Mitral regurgitation surgery preoperative evaluation
Mitral stenosis surgery preoperative evaluation
Aortic stenosis surgery preoperative evaluation
Cardiac resynchronization therapy indications
Aortic stenosis differential diagnosis