Surgery – Diagnostic testing – Cardiovascular
Patent
1996-11-01
2000-07-04
Nasser, Robert L.
Surgery
Diagnostic testing
Cardiovascular
600495, 600500, A61B 0500
Patent
active
060831715
ABSTRACT:
A pulse wave propagation time is counted constantly. Not only it is judged whether or not a pulse wave propagation time change .DELTA.T exceeds a pulse wave propagation time change threshold .DELTA.Ts, but also it is judged whether or not cardiovascular dynamic changes .DELTA.HR, r.sub.1, r.sub.2 exceed thresholds thereof .DELTA.HRs, r.sub.1 s, r.sub.2 s, whereby a sudden turn for the worse in the blood pressure fluctuation of a subject is monitored. If any one of the changes exceeds the threshold thereof, a blood pressure measurement using a cuff 2 is made on the subject.
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Hosaka Hidehiro
Kasuya Hiromitsu
Ono Kohei
Sohma Takeshi
Sugo Yoshihiro
Nasser Robert L.
Nihon Kohden Corporation
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