Characterization of left ventricular external wall motion in man by video dimension analyzer (Vidian).


Several investigators have described close relationships between left ventricular wall motion and physiologic cardiac events. Using an improved wall motion tracking devide (Vidian) in studies of 30 patients, we have compared the dynamics of left ventricular wall motion, recorded noninvasively, with high fidelity left ventricular and aortic pressures… (More)


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