Diagnostic Highlights

Abnormality with Test Normal Result Condition

Explanation

Platelet count 190,000-405,000/mm3 >100,000/mm3

Platelets are consumed during clot formation; degree of platelet suppression predicts the severity of symptoms: 30,000-50,000 mm3, bruising with minor trauma; 15,000-30,000 mm3, spontaneous bruising, petechiae, particularly on the arms and legs; >15,000 mm3, spontaneous bruising, mucosal bleeding, nosebleeds, bloody urine or stool, intracranial bleeding

Other Tests: Complete blood count and coagulation profiles, blood smear studies, bone marrow aspiration, HIV testing, computed tomography of the head if intracerebral hemorrage is suspected.

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