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300 250 200 150 100 50 0. Normal. 50% Lesion. Coronary Blood Flow. 75%. 90%. Rest. 10,000 20,000 30,000. Work of the Heart (double product). Percentage reduction in fatal heart attacks. Paffenbarger et al Am Journal of Epidemiology 105:200-213, 1877.
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300 250 200 150 100 50 0 Normal 50% Lesion Coronary Blood Flow 75% 90% Rest 10,000 20,000 30,000 Work of the Heart (double product)
Percentage reduction in fatal heart attacks Paffenbarger et al Am Journal of Epidemiology 105:200-213, 1877.
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