PROBLEM TO BE SOLVED: To provide an atrial fibrillation decision apparatus that decides the presence of atrial fibrillation based on a signal whose RR interval is measurable, such as a pulse wave signal and a waveform signal of an electrocardiogram, even when the signal includes influence by body motion noise.SOLUTION: The atrial fibrillation decision apparatus includes: an acquisition unit that acquires a detected waveform signal indicating a detection result of the electrocardiogram or pulse waves an RR interval calculation unit 112 that calculates a parameter corresponding to the RR interval with respect to each frame on the basis of a spectrum of each frame obtained through frequency analysis of the detected waveform signal acquired, and calculates the RR waveform signal indicating the temporal change of the parameter a power calculation unit 113 that calculates the temporal change of power in a band where the frequency of the RR waveform signal is preliminarily determined and a decision unit 114 that decides whether the calculated power satisfies a specific condition, and outputs information on the basis of the detection result.COPYRIGHT: (C)2013,JPO&INPIT【課題】脈波信号および心電図の波形信号などのRR間隔が計測可能な信号において体動ノイズの影響が含まれていても、その信号から心房細動を判定すること。【解決手段】本発明の心房細動判定装置は、心電または脈波の検出結果を示す検出波形信号を取得する取得部と、前記取得された検出波形信号の周波数解析により得られる各フレームのスペクトルに基づいて、フレーム毎にRR間隔に相当するパラメーターを算出し、当該パラメーターの時間変化を示すRR波形信号を算出するRR間隔算出部112と、前記RR波形信号における予め決められた周波数帯域のパワーの時間変化を算出するパワー算出部113と、前記算出されたパワーが特定の条件を満たすか否かを判定し、判定結果に応じた情報を出力する判定部114とを具備することを特徴とする。【選択図】図3
