The presence of fever,<unk> , petechiae, paleness in  physical examination is highly suggestive of TTP.
Thrombotic thrombocytopenic purpura physical examination
Heparin-induced thrombocytopenia physical examination
Glanzmann's thrombasthenia physical examination
Disseminated intravascular coagulation physical examination
Microangiopathic hemolytic anemia physical examination
Essential thrombocytosis physical examination
Heparin-induced thrombocytopenia laboratory findings
Polycythemia vera laboratory tests