Three-dimensional electrocardiogram display method
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United States of America Patent
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Jul 21, 1998
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N/A
app pub date -
May 5, 1997
filing date -
May 5, 1997
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Abstract
A three-dimensional electrocardiogram display method for 3-D representation of a plurality of cardiac signals is provided. In this method, a 3-D rectangular coordinate system is defined to display the 3-D representation of the cardiac signals. Further, an amplitude display scheme, preferably an amplitude-to-color mapping table, is defined to assign various quantization levels of amplitude to specified distinctive colors. By graphic processing and display means, the 3-D representation of the cardiac signals can be generated and displayed. The physicians can choose to observe the 3-D graph in various views, including perspective view, sectional view, and top rectangular view. This allows the physicians to make diagnosis of heart diseases by observing just one or two 3-D representations of the cardiac signals. The physicians can thus have an overall integral view over a plentiful number of cardiac signals and thereby make diagnosis about the heart conditions of the patient more easily.
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