A mean platelet volume (MPV) blood test measures the average size of your platelets, the tiny blood cells that help form clots to stop bleeding. It is often included in a complete blood count (CBC) ...

You may need an MPV test if you show symptoms that suggest an issue with your platelet size or number. An MPV test involves drawing a blood sample from a vein and typically takes less than five ...

Because leukemia is a blood cancer, it can affect a person’s platelet count. People with leukemia sometimes have a low platelet count. However, other conditions can also cause low platelets. Leukemia ...

Platelets are circulating cell fragments known to clump up and form blood clots that stop bleeding in injured vessels. Cardiologists have long known that platelets can become "hyperreactive" to cause ...

An experimental genetic test can gauge a person's risk of developing potentially deadly blood clots, researchers report. People who scored high on the test had more than double the rate of heart ...

Pseudothrombocytopenia (PTCP) is when blood test results incorrectly suggest a low platelet count. This can show that a person has thrombocytopenia when they do not. The anti-clotting agents that lab ...

The most common etiology of pseudothrombocytopenia is platelet clumping induced by EDTA, which is the anticoagulant present in the purple tube in which blood is collected for a CBC. This clumping is ...