The nuclear stress test can show how blood flows through your heart muscles. This reveals how well the heart pumps blood and areas of your heart muscles that do not get enough blood. Nuclear stress is ...

While nuclear stress tests are considered safe, some precautions need to be followed both during and after the test. If you or a doctor suspects you might have an undiagnosed heart condition, they may ...

To quickly confirm an asymptomatic case of COVID-19, a second rapid test within an hour of a positive result can boost the accuracy of the result from 38 percent to 92 percent, according to a new ...

COPENHAGEN/LONDON (Reuters) - For many people worldwide, having cotton swabs thrust up their nose or down their throat to test for COVID-19 has become a routine and familiar annoyance. But two years ...

The World Health Organization's top official criticized some nations for not doing enough to detect and contain the deadly coronavirus that's infected more than 174,000 people across the world. "We ...

Doctors use Spurling tests to assess possible causes of neck pain. A positive result can indicate a pinched nerve. A Spurling test can help a doctor make a quick assessment about the cause of neck ...

In the first week of January, reports emerged that a mysterious new form of pneumonia had affected dozens of people in China. Some were in a critical condition, and a number had invasive lesions on ...

A gestational diabetes test checks blood sugar, or glucose, levels during pregnancy. Before the test, people should avoid consuming food and drinks that are high in sugar and simple carbohydrates, as ...

In Emily Martin’s ideal version of next winter, no one in her family would get sick. In Emily Martin’s realistic version of next winter, someone probably will: There are simply too many viruses and ...