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Some medical doctors have insisted that it is very important to check the condition of our blood circulation, especially peripheral vessel. Photo plethysmogram(P.T.G.) is such a method and one of the best medical examination to prevent from heart disease, arteriosclerosis, diabetes and so on. But, it is difficult to analysis photo P.T.G.. So, Japanese medical doctors have studied accelrarated plethysmogram(A.P.G.) which is pulse pattern differentiated twice P.T.G. for more than twenty years. |
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| -b/a ： |
This value is related to arteriosclerosis. (-b/a) is larger, the condition of our artery is better. |
| c/a ： |
This value is related to vein. (c/a) is larger, the condition of our blood circulation is better. |
| d/a ： |
This value is related to vein.(d/a) is smaller, the condition of our blood circulation is better. |
| e/a ： |
The value hardly depends on our age
A.P.G. index = |
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