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.
Across all age groups, in the United States, approximately 1,000,000 people (0.38% of the population, or 3.8 per 1,000) over 5 years of age are functionally deaf; more than half are over 65 years of age.