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Arterial pressure tracings after left ventricular assist device implantation. With increasing speed, there is reduced pulse pressure as a larger volume of blood is removed from the left ventricular apex. Aortic valve opening is gradually reduced until it closes completely to provide continuous systemic blood flow. BP, blood pressure; RPM, revolutions per minute. Reproduced with permission from Frazier OH, Myers TJ, Gregoric ID, Initial clinical experience with the Jarvik 2000 implantable axial-flow left ventricular assist system. Circulation. 2002 Jun 18;105(24):2855-2860. Source: MECHANICALLY ASSISTED CIRCULATION, Hurst's The Heart, 14e Citation: Fuster V, Harrington RA, Narula J, Eapen ZJ. Hurst's The Heart, 14e; 2017 Available at: http://mhmedical.com/ Accessed: May 06, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved