In a recent study posted to the medRxiv* server, a team of researchers investigated how antigen concentration and viral load in different specimen types affected the performance of severe acute ...

In the U.S. there are more than 150 million emergency department (ED) visits each year, and the number is expected to rise. ED physicians face enormous pressure to quickly and correctly diagnose ...

Perhaps you have been feeling sick, or maybe you’re trying to be proactive if you’re going to an event soon and you want to get a COVID-19 test. The two types of diagnostic tests right now being ...

As the world continues to navigate the aftermath and lingering presence of COVID-19, one question remains as relevant as ever: Which COVID-19 test is right for me—diagnostic or antibody? Whether ...

Successful treatment of pancreatic cancer can depend on a timely diagnosis. Various tests can help doctors rule out cancer or decide whether further testing is necessary. According to the American ...

Blood draws for several kinds of diagnostic tests require you to fast for several hours. Eating or drinking anything besides water can skew the results, leading to you needing to be retested. You may ...

Grail's Galleri test screens for more than 50 different types of cancer from a single blood draw. (Getty Images) If you could take a simple blood test that could detect multiple types of cancer while ...

Medically reviewed by Kelly Wood, MDKey TakeawaysThyroid blood tests help figure out how well your thyroid gland is working.TSH helps the thyroid gland know when to make more thyroid hormones. Free T4 ...

Pituitary tumors are atypical growths that develop in the pituitary gland. They are typically noncancerous. Doctors often use blood tests as a first step in diagnosing pituitary tumors. The pituitary ...