View source for Cardio-thoracic ratio

The '''Cardio-thoracic ratio''' is defined as:

"The [[transverse diameter]] of the [[heart]], as determined by [[x-ray]] examination, compared with that of the [[thoracic cage]], used to help determine [[Cardiomegaly|enlargement of the heart]]."<ref>http://medical-dictionary.thefreedictionary.com/cardiothoracic+ratio</ref>

This measurement is taken from PA x-rays.

==References==
<references/>

[[Category:Cardiology]]
[[Category:2Fix]]