DocumentCode :
2193716
Title :
Contributions of Epi-, Endo- and Myocardium to the Body Surface Potential
Author :
Pfeifer, Bernhard ; Seger, Michael ; Modre-Osprian, Robert ; Hintermüller, Christoph ; Hayn, Dieter ; Schreier, Günter ; Tilg, Bernhard
Author_Institution :
Univ. for Health Sci., Med. Inf. & Technol., Hall
fYear :
2007
fDate :
12-14 Oct. 2007
Firstpage :
304
Lastpage :
307
Abstract :
The contribution of the epi-and endocardial as well as the myocardial electrical activity to the body surface potential was investigated in this study. A volume conductor including a realistic anisotropic ventricular model was built up and the forward problem of electrocardiography was solved for four different rhythms, in order to quantitatively describe the cardiac electrical contribution of each compartment of the heart. The results show, that the body surface potentials depend to a high degree on the epi-and endocardial electrical spread of excitation during the depolarization phase, whereas the influence of myocardial activity is more pronounced during repolarization. These findings indicate that the depolarization phase can be approximated by cardiac isotropic electrical.
Keywords :
electrocardiography; electromyography; surface potential; anisotropic ventricular model; body surface potential; electrocardiography; myocardial electrical activity; volume conductor; Anisotropic magnetoresistance; Conductivity; Conductors; Electric variables measurement; Electrocardiography; Heart; Muscles; Myocardium; Rhythm; Torso;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Noninvasive Functional Source Imaging of the Brain and Heart and the International Conference on Functional Biomedical Imaging, 2007. NFSI-ICFBI 2007. Joint Meeting of the 6th International Symposium on
Conference_Location :
Hangzhou
Print_ISBN :
978-1-4244-0949-5
Electronic_ISBN :
978-1-4244-0949-5
Type :
conf
DOI :
10.1109/NFSI-ICFBI.2007.4387760
Filename :
4387760
Link To Document :
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