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.
1 Globally, an estimated 350 million people of all ages suffer from depression. 2  Depression is the leading cause of disability worldwide, and is a major contributor to the overall global burden of disease.  More women are affected by depression than men.