Figure 2
From: The Radiation Issue in Cardiology: the time for action is now
The relative contribution of cardiovascular examinations to overall exposure from nuclear medicine (left panel) referred to radiological years 2006. The nuclear cardiology contribution of about 32 chest x-rays per year is matched by the 33 chest x-rays per year from cardiac radiology, for a grand total of 65 chest x-rays, corresponding to 43% of the total exposure of the average US citizen. Redrawn and adapted from ref 16 and 17.