title: Severe aortic stenosis with low systolic gradient:the good and bad news.
authors.forename: S H
authors.initials: SH
authors.lastname: Rahimtoola
mesh_terms: D001024:Aortic Valve Stenosis / Q000175:diagnosis / Q000401:mortality / Q000601:surgery; D006350:Heart Valve Prosthesis; D006801:Humans; D013318:Stroke Volume; D013599:Systole