Overproduction of platelets by the bone marrow and certain types of anemia are the leading causes of a high platelet count. A low platelet count may occur because of reduced bone marrow production, exposure to certain toxins or medicines or a serious viral infection.ĭetection of a high platelet count is important because it may increase your risk for forming blood clots that could trigger a heart attack or stroke. People with an extremely low platelet count may bleed spontaneously.
A low platelet count may put you at increased risk for bleeding, which is of particular concern if you are scheduled for surgery. A CBC with auto diff includes a platelet count and assessment of platelet size. Platelets are tiny cellular fragments that help seal cuts and stop bleeding. Increased numbers of white cells called eosinophils may suggest a parasite infection or allergic reaction.The total number of white cells in the blood are measured, and then the number and percentages of white cell subtypes are determined.
