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.
Over a billion people, about 15% of the world's population, have some form of disability. Between 110 million and 190 million adults have significant difficulties in functioning. Rates of disability are increasing due to population ageing and increases in chronic health conditions, among other causes.