PROBLEM TO BE SOLVED: To provide an atrial fibrillation determination apparatus which, even if an influence of body motion noises is contained in a signal such as a pulse wave signal and an electrocardiographic waveform signal in which RR intervals are measurable, can determine atrial fibrillation from the signal.SOLUTION: An atrial fibrillation determination apparatus 100 comprises: an acquisition part for acquiring a detection waveform signal which shows a detection result of electrocardiographic waves or pulse waves an RR interval calculation part 112 which, on the basis of the spectrum of each frame obtained by frequency analysis of the previously acquired detection waveform signal, calculates a parameter corresponding to the RR interval for each frame to calculate an RR waveform signal which shows the time-dependent change of the parameter a power calculation part 113 for calculating a time-dependent change of the power in a predetermined frequency band in the RR waveform signal and a determination part 114 for determining whether or not the calculated power satisfies a specified condition, and outputting the information according to the result of the determination.COPYRIGHT: (C)2016,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、心房細動判定装置を提供する。【解決手段】心房細動判定装置100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
