Title :
Analysis of seismocardiogram capability for prediction of mild to moderate haemorrhage; Preliminary results
Author :
Tavakolian, Kouhyar ; Dumont, Guy A. ; Blaber, Andrew
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of British Columbia, Vancouver, BC, Canada
Abstract :
Seismocardiogram (SCG) is proposed in this study to be used for earlier detection of hemorrhage and lower body negative pressure (LBNP) was used to create a hemodynamic response similar to hemorrhage. Echocardiogram measurements showed a maximal reduction of 23% in cardiac output. Analysis of left ventricular ejection time (LVET), derived from a seismocardiogram (SCG), demonstrated to be more sensitive in detection of early stage hemorrhage compared to pulse pressure and heart rate. LVET was significantly different between different stages of LBNP for thirty two subjects.
Keywords :
blood pressure measurement; echocardiography; medical disorders; LBNP; LVET analysis; early hemorrhage detection; early lower body negative pressure detection; echocardiogram measurements; heart rate; hemodynamic response; left ventricular ejection time analysis; maximal cardiac output reduction; mild haemorrhage prediction; moderate haemorrhage prediction; pulse pressure; seismocardiogram; Abstracts; Atmospheric measurements; Electrocardiography; Hemorrhaging; Monitoring; Particle measurements;
Conference_Titel :
Computing in Cardiology Conference (CinC), 2013
Conference_Location :
Zaragoza
Print_ISBN :
978-1-4799-0884-4
