Greg, There have been attempts over the past several years (ie, 5-10 years) to produce a computer graded doppler score. Requires digitizing the signal, and being able to eliminate the normal signals from the diver (which are different from diver to diver and from sampling site to sampling site.) Then the bubbles have to be identified, and then quantified (ie how many per cardiac cycle, where in the cardiac cycle, etc.). The bottom line is that there is still no acceptable computer program for scoring doppler results on divers. John
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