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 ...

Medically reviewed by Anju Goel, MD You may need an MPV test if you show symptoms that suggest an issue with your platelet ...

Researchers from the University of Tokyo have found a way to observe clotting activity in blood as it happens — without needing invasive procedures. Using a new type of microscope and artificial ...

SAN ANTONIO, Nov. 10, 2025 – A simple blood test for platelet activity at middle age could one day help identify people at risk for Alzheimer’s disease decades ahead of time, allowing for possible ...