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.
In 2012, WHO released new estimates on the magnitude of. disabling hearing loss. The estimates are based on 42. population-based studies. Estimates are as follows: â¢ There are 360 million persons in the world with disabling hearing loss (5.3% of the worldâs. population). â¢ 328 million (91%)of these are adults (183 million males, 145 million females) â¢ 32 (9%) million of these are children.