Class I indications for coronary angiography:
-acquired chronic aortic regurgitation requiring surgery + left ventricular systolic dysfunction,
-acquired chronic aortic regurgitation requiring surgery + history of coronary disease,
-acquired chronic aortic regurgitation requiring surgery + suspected myocardial ischemia,
-acquired chronic aortic regurgitation requiring surgery + > 1 cardiovascular risk factor,
-acquired chronic aortic regurgitation requiring surgery + men aged over 40 years,-acquired chronic aortic regurgitation requiring surgery + postmenopausal women.