Herein disclosed is a monitor, including: a measurement section that acquires measured values of a plurality of parameters showing a health state of a living body a classification setting section that classifies a relationship among the measured values of the plurality of parameters into a plurality of types of detection states a status setting section that respectively assigns any of a plurality of types of alarm statuses to the plurality of types of detection states a state specifying section that specifies one of the plurality of types of detection states on the basis of the measured values acquired by the measurement section and an annunciation section that outputs an alarm corresponding to the alarm status assigned to the specified detection state.