Importance

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Abstract

A blood pressure (BP) monitor apparatus including a BP measuring device which measures a BP value of a living subject by changing a pressing pressure of a cuff, an estimated blood pressure (EBP) determining device which determines an EBP value of the subject, based on each of successive sets of pulse-wave propagation information (PWPI) of the subject, according to a blood pressure-pulse wave propagation information (BP-PWPI) relationship, a preparing device which prepares a plurality of candidates for the BP-PWPI relationship, a calculating device which calculates a plurality of EBP values, based on each of successive sets of PWPI of the subject, according to the plurality of candidates, and thereby providing a plurality of groups of calculated EBP values which correspond to the plurality of candidates, respectively, a starting device which controls the BP measuring device to measure a BP value of the subject, when at least one of respective changes of the plurality of groups of EBP values exceeds a first reference value, and a selecting device which selects, as the BP-PWPI relationship, one of the plurality of candidates which corresponds to one of the plurality of groups of EBP values which includes the EBP value that is the most approximate to the BP value.

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First Claim