There are at least 50 kinds of pneumonia — a serious lung infection that takes the lives of more than 60,000 Americans every year.
Shortness of breath can be frightening. Most of the time, a heart or lung condition is the cause.
Tests and diagnosis
Even with today's high-tech medical devices, the basic chest X-ray remains an important tool in diagnosing various conditions. Here's a look at how it works.
A CT scan is an imaging test that uses X-rays to produce detailed images of the inside of your body.
Ultrasound imaging uses high-frequency sound waves to create images of structures in your body.
Jan. 02, 2014
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