Figure 2. ACC/AHA Valve Guidelines for Low-Flow AS
ACC, American College of Cardiology; AHA, American Heart Association; AS, aortic stenosis; AVAi, aortic valve area index; AVR, aortic valve replacement; DSE, dobutamine stress echocardiogram; EF, ejection fraction; SVI, stroke volume index; Vmax, velocity.
Reproduced with permission from CM Otto, MD.
Source: Nishimura RA et al. J Thorac Cardiovasc Surg. 2014.