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.
The World Health Organization (WHO) estimates that more than 1 billion people -- one-. sixth of the worldâs population -- suffer from one or more neglected diseases. The diseases are most heavily concentrated in low-income nations in Africa and Latin. America.