The cardiothoracic ratio aids in the detection of cardiomegaly, or more broadly, enlargement of the cardiac silhouette. It is measured on a PA chest x-ray, and is the ratio of:
Disability around the World: It's estimated that more than 1 billion people live with a disability. (United Nations, 2013) This represents the worldâs largest minority, and the only minority group that any of us can become a member of at any time.
Today, 2.1 billion people â nearly one-third of the worldâs population â are overweight or obese. The number of overweight and obese individuals in the world has increased from 857 million (20%) in 1980 to 2.1 billion (30%) in 2013.