title: All aortic stenoses are not created equal.
authors: Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.
authors: Venkatesh Y
authors: VY
authors: Anjan
authors: Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania. Electronic address: Howard.herrmann@uphs.upenn.edu.
authors: Howard C
authors: HC
authors: Herrmann
mesh_terms: D001024:Aortic Valve Stenosis / Q000401:mortality* / Q000503:physiopathology*; D005260:Female; D019918:Heart Valve Prosthesis Implantation; D006801:Humans; D008297:Male; D013318:Stroke Volume / Q000502:physiology*
keywords: aortic stenosis; aortic valve replacement; left ventricular ejection fraction; low gradient; low flow