Medically reviewed by Chika Anekwe, MD A potassium blood test is used to measure the amount of potassium in your blood. It is part of a panel of blood tests called a basic metabolic panel (BMP ...

A serum immunofixation test identifies the number of specific proteins in the blood. Learn about how and why this is done, test results, risks, benefits, and more.

The anion gap blood test assesses the acid-base and electrolyte balance of the blood. It can help determine what may be causing disturbances in the blood’s pH.

But some of those tests are now clouded in confusion after the maker of the most popular blood alcohol test tubes, BD, recalled a lot of 247,000 tubes in 2019 because of concerns that a small ...

A red cell distribution width (RDW) test is a type of blood test that indicates variations in the size of a person’s red blood cells. It can confirm an anemia diagnosis and help determine its ...

A blood sodium test is ordered by your doctor for a number of reasons. Sometimes it’s needed because you may be on certain medications that affect the sodium levels in your blood. Other times it ...

The whole blood test procedure usually lasts no more than a few minutes. Afterwards, you may be asked to apply gentle pressure over a clean dressing to aid clotting and reduce swelling.

A simple blood test could detect Alzheimer’s disease with 100% accuracy, according to research from Resonant, a Utah biotech company that develops diagnostic tests for neurodegenerative diseases.

Scientists say they have been able to grow blood vessels in a lab. Buckle your seat belt and hold onto your aorta – it's robo-vessel time. Ok not really, but close. Scientists at Yale and Duke ...

An MCV blood test measures the average size of red blood cells, which have the critical job of carrying oxygen to your organs. If they’re too big or too small, it could be a sign of trouble ...

The F.D.A., and Alzheimer’s experts, emphasized that the blood test should be given only to people who are already experiencing cognitive decline and are ages 55 and older.