A method for calculating left ventricular ejection fraction noninvasively from left ventricular arterial coupling (Ees/Ea) by Yukiko Yamazaki, Yuka Matsuki, Kenji Shigemi

“…Methods Ees/Ea was estimated non-invasively using the parameters pre-ejection period (PEP), ejection time (ET), end-systolic pressure (Pes) and diastolic pressure (Pad), which were calculated from a vascular screening system, VeSera 1000/1500 (Fukuda Denshi Co., Ltd., Tokyo, Japan). …”
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