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Canadian Cardiovascular Society Position Statement on Radiation Exposure From Cardiac Imaging and Interventional Procedures Madhu K. Natarajan, MD, MSc (Co-chair), Narinder Paul, MD (Co-chair), Mathew Mercuri, MSc, PhD, Edward J. Waller, PhD, CHP, Jonathon Leipsic, MD, Mouhieddin Traboulsi, MD, Hamid S. Banijamali, MD, PhD, Lee Benson, MD, Tej N. Sheth, MD, Christopher S. Simpson, MD, Allan Brydie, MBChB, Michael P. Love, MBChB, MD, Richard Gallo, MD Canadian Journal of Cardiology Volume 29, Issue 11, Pages (November 2013) DOI: /j.cjca Copyright © 2013 Canadian Cardiovascular Society Terms and Conditions
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Figure 1 General characteristics of typical risk model curves. The curves are not intended to be compared quantitatively with each other. It is also worthy to note that the curves are representative of shape and do not indicate any particular risk-response as a function of (arbitrary) dose. All models, except for the threshold model, assume that there is risk at all doses greater than zero. The hormesis curve, inset at low dose, shows positive effect as a function of dose at low dose. The downward curve depicts the effect of attenuation as a result of cell killing at higher doses. RR, relative risk. Canadian Journal of Cardiology , DOI: ( /j.cjca ) Copyright © 2013 Canadian Cardiovascular Society Terms and Conditions
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