Thrombotic Thrombocytopenic Purpura Presenting as a Sudden Headache With Focal Neurologic Findings, ,

We report a case of thrombotic thrombocytopenic purpura presenting as a sudden headache with associated neurologic deficits. The diagnosis of this rare disorder is discussed, with special attention given to a potential pitfall in evaluation and treatment—platelet transfusion. [Bridgman J, Witting M: Thrombotic thrombocytopenic purpura presenting as a sudden headache with focal neurologic findings. Ann Emerg Med January 1996;27:95-97.]