Low-level Exercise Echocardiography Fails to Elicit Left Ventricular Contractile Reserve in Patients with Aortic Stenosis, Reduced Ejection Fraction, and Low Transvalvular Gradient
Titel:
Low-level Exercise Echocardiography Fails to Elicit Left Ventricular Contractile Reserve in Patients with Aortic Stenosis, Reduced Ejection Fraction, and Low Transvalvular Gradient