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Results and conclusions
This work shows an application of the Visible Man Dataset
to construct anatomical, physical, and physiological models allowing the
calculation of the potential distribution in the human body due to cardiac
current sources. A calculated potential distribution inside the body is demonstrated
in figure 2. The potential distribution is determined at the time of atrial
excitation. The potential is color coded visualized on the surface of the
heart and on lines. These lines are constructed by following the gradient
of the electrical potential (Figure
4). Potential distributions of a complete heart cycle are computed by repeated
calculation (Figure 4 and Movie
1). A simulated electrocardiogram on base of 120 calculations with
a timestep of 5 ms is presented in figure 5. The presented lead is the
Einthoven limb lead I (Figure
5). The presented methods can be applied for diagnostic and educational
purposes in electrocardiology. It is possible to include pathologies to
study their influence of and their visibility in the body surface potential
maps and electrocardiograms.
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