“…[559][560][561]563 Hyper pyrexia, per se, is not a specific requirement for development of this syndrome. 560 Patients with sickle cell disease may also have multiple vaso-occlusive complications, including bone and joint injury (dactylitis, long bone and marrow infarction), splenic dysfunction, papillary necrosis, pulmonary emboli with infarctions and cor pulmonale, cerebrovascular events, including subarachnoid hemorrhage, stroke, spinal cord com promise, as well as peripheral deep vein thrombosis, portal vein thrombosis, and intestinal infarction. 562 DIC (which develops as an acute superimposed phenomenon) is to be considered in the patient who presents with signs such as upper gastrointestinal hemorrhage, hematuria, oozing from venipuncture sites, and respiratory failure and with laboratory ab normalities of low fibrinogen, positive protamine sulfate, high FDPs levels, prolongation of clotting times, and thrombocytopenia.…”