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Portable Network Graphic  |  1988-04-30  |  4.7 KB  |  416x240  |  1-bit (2 colors)
   ocr: R Einthoven proposed the first model to simplify and explain the electrical events of the cardiac cycle. Einthoven's system is based on these assumptions: 1. The electrical activity of the heart may be represented, at any time by an equivalent dipole fixed in origin, but variable in magnitude and direction. 2. The heart occupies the center of a circular homogenious medium, which is very arge compared wit th the generator of the dipole. 3. The right arm, left arm, and left leg are situated at the apices of an equilateral triangle with the heart in the center. 4. The heart and the imbs Tie in th ...