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.
If, like Noah, you've been diagnosed with a learning disability, you're not alone. Nearly 4 million school-age kids and teens have learning disabilities, and at least 20% of them have a type of disorder that makes it difficult to focus.