Thrombotic thrombocytopenic purpura

**Definition:** This condition is idiopathic. This condition is characterised by abnormality of blood coagulation causing extensive microscopic clots to form in the small blood vessels throughout the body resulting in low platelet count. This condition may present with seizures, hemiplegia, paresthesias, visual disturbance, and aphasia or anaemia. Confirmation is by identification of thromboses.