Arterial stiffness, especially stiffness in the large elastic arteries such as the aorta, is now widely-recognised as an important factor in the development and progression of heart disease. Over the past few years, the measurement of aortic stiffness has been shown to be an independent and significant predictor of future events in a wide range of cardiovascular diseases. Dr Winter at AtCor Medical, Inc will offers a guide to aortic stiffness and chronic obstructive pulmonary disease (COPD).