The page below is a sample from the LabCE course Authentic and Spurious Causes of Thrombocytopenia. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

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Symptoms Seen in Thrombocytopenia

If a platelet count is less than 30 x 109/L , bruising, petechiae, and purpura may be observed. Petechiae are small pinpoint hemorrhages (circled in red on the image) and purpura are larger purplish skin leaks (circled in blue on the image). Epistaxis may also be reported as well as gingival (gum) bleeding.

Bleeding into the central nervous system may occur if the platelet count falls below 10 x 109/L .