Title :
Non-contact monitoring of heart beat using optical laser diode vibrocardiography
Author :
Capelli, Giorgio ; Bollati, Cecilia ; Giuliani, Guido
Author_Institution :
Dept. of Electron., Univ. of Pavia, Pavia, Italy
Abstract :
In the present work we use a compact and low-cost laser sensor based on self-mixing effect for non-invasive non-contact analysis of heart beat, by measuring the vibrations of the skin surface caused by vascular wall motion in carotid, radial and dorsal pedal arteries. The electrocardiography (ECG) and optical vibrocardiography (VCG) signals are simultaneously acquired and analyzed. VCG can be exploited for testing medical parameters beyond the heart rate, such as artery deformation, vessel elasticity and blood pulse characteristics.
Keywords :
blood vessels; electrocardiography; laser applications in medicine; semiconductor lasers; skin; vibration measurement; ECG signals; VCG signals; carotid artery; compact low cost laser sensor; dorsal pedal artery; electrocardiography signals; noninvasive noncontact heart beat analysis; optical laser diode vibrocardiography; optical vibrocardiography signals; radial artery; self mixing effect; skin surface vibrations; vascular wall motion; Arteries; Delay; Diode lasers; Electrocardiography; Skin; Vibrations; Wrist;
Conference_Titel :
BioPhotonics, 2011 International Workshop on
Conference_Location :
Parma
Print_ISBN :
978-1-4244-9836-9
Electronic_ISBN :
978-1-4244-9835-2
DOI :
10.1109/IWBP.2011.5954805
