Abstract
The human body emits infrared light with the periodicity of the heartbeat. The infrared thermal emission occurs in characteristic patterns which, after the heartbeat, migrate over the body. The images are obtained by using the electrocardiographic signal as a trigger to produce a thermal image which is subtracted from another one taken a well defined time later, before the next heart impulse. When these difference images are frequently repeated and averaged a heart pulse induced heat turnover is determined which has no relation to conventional heat images of the human body. Preliminary studies suggest that basically the heat turnover is seen in tissues where oxygen consumption leads to the turnover of chemical energy. When further developed, the proposed technique may provide a novel noninterfering and economically well affordable diagnostic tool for the examination of the external surface of the human body.
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