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Apex to Base Left Ventricular Twist Mechanics Computed from High Frame Rate Two-Dimensional and Three-Dimensional Echocardiography: A Comparison Study
2012
Journal of the American Society of Echocardiography
Background-The aim of this study was to compare two-dimensional (2D) and threedimensional (3D) methods for computing left ventricular (LV) rotation. Methods-A two-axis linear/rotary system was designed using rotary motors controlled through a digital interface, and 10 freshly harvested pig hearts were studied. Each heart was mounted on the rotary actuator with the base being rotated at different known degrees of rotation (10°, 15°, 20°, and 25°) and was passively driven by a pump with
doi:10.1016/j.echo.2011.09.001
pmid:21995883
pmcid:PMC3321829
fatcat:wfh6357xw5afpdgyicjaloqb5u