How was the severity of coronary heart disease measured in your studies?

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Dr. Dean Ornish answered:

There are two basic ways of measuring the severity of coronary heart disease: anatomical (which measures the severity of coronary artery blockages) and functional (which measures the amount of blood flow to the heart and also how well it pumps). In our research, we used state-of-the-art tests:

quantitative coronary arteriography to measure the degree of coronary artery blockages and cardiac PET (Positron Emission Tomography) scans to measure blood flow to the heart....

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There are two basic ways of measuring the severity of coronary heart disease: anatomical (which measures the severity of coronary artery blockages) and functional (which measures the amount of blood flow to the heart and also how well it pumps). In... More

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