Patent ID: 6011989
Filing Date: 2000-01-04
Classification: A61B

Abstract:
A patient monitoring apparatus comprising:electrocardiogram measuring means for measuring electrocardiograms;pulse-wave measuring means for measuring pulse waves;QRS-wave detecting means for detecting QRS waves on an electrocardiogram measured by said electrocardiogram measuring means;pulse-amplitude detecting means for detecting amplitudes of pulse waves measured by said pulse-wave measuring means;first judging means for judging whether or not the QRS wave measured by QRS-wave detecting means is caused by a specific arrhythmia; andsecond judging means for operating such that if said first judging means judges that the QRS wave is not the QRS wave caused by the specific arrhythmia, said second judging means judges whether or not the amplitude of the pulse wave corresponding to the QRS wave detected by pulse-amplitude detecting means is smaller than a preset value.