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.
About 15 percent of the world's population -- some 785 million people -- has a significant physical or mental disability, including about 5 percent of children, according to a new report prepared jointly by the World Health Organization and the World Bank.