Ballistocardiography

The ballistocardiograph is a vital sign in the 1-20 Hz frequency range which is caused by the mechanical movement of the heart and can be recorded by noninvasive methods from the surface of the body. It was shown for the first time, after an extensive research work by Dr. Issac Starr, that the effect of main heart malfunctions can be identified by observing and analyzing the BCG signal. (From the Wikpedia article Ballistocardiography.)

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Recent Publications on Ballistocardiography:
Properties of the ballistocardiogram artefact as revealed by EEG recordings at 1.5, 3 and 7 T static magnetic field strength. Electroencephalogram (EEG) data recorded simultaneously with functional...	3rd May, 2008	Medical Research Council Institute of Hearing Research, Royal South Hants	Int J Psychophysiol. 2008 Mar;67(3):189-99. Epub 2007 Jul 12. DOI Direct Link
FFT averaging of multichannel BCG signals from bed mattress sensor to improve estimation of heart beat interval. A multichannel pressure sensing Emfit foil was integrated to a bed...	9th April, 2008	Machine Vision, VTT Technical Research Center of Finland, Tampere,	Conf Proc IEEE Eng Med Biol Soc. 2007;2007:6686-9. DOI Direct Link
BSeg++: a modified blind segmentation method for Ballistocardiogram cycle extraction. This paper presents a method to extract cardiac cycles and H-I-J...	3rd April, 2008	Institute of Signal Processing, Tampere University of Technology, Tampere,	Conf Proc IEEE Eng Med Biol Soc. 2007;2007:1896-9. DOI Direct Link
Development of a fully automated network system for long-term health-care monitoring at home. Daily monitoring of health condition at home is very important not only as...	3rd April, 2008	Graduate School of Natural Science and Technology, Kanazawa University,	Conf Proc IEEE Eng Med Biol Soc. 2007;2007:1826-9. DOI Direct Link
Heart rate detection from an electronic weighing scale. We propose a novel technique for heart rate detection on a subject that...	29th March, 2008	Instrumentation, Sensors and Interface Group, Universitat Politecnica de	Conf Proc IEEE Eng Med Biol Soc. 2007;2007:6283-6. DOI Direct Link
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Ballistocardiography Patents:
US Patent No.	Title
7314451	Techniques for prediction and monitoring of clinical episodes
4889123	Method for determining heart rate
4848350	Method for recording an electrocardiogram
4836215	Method for preparing a ballistocardiogram
4836214	Esophageal electrode array for electrical bioimpedance measurement
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