... joints (Phipps, Sands, & Marek, 1999). The pelvis is supplied with a rich venous plexus as well as major arteries. Shearing forces from the impact of trauma may cause significant bleeding due to rupture of the blood vessels and hemorrhage is usually the cause of death (Sheppard, 2001). If Grey-Turner's sign (Wright, 1997) presents, i.e. a bluish discoloration of the lower abdominal flanks and lower back, it may indicate pelvic fracture has caused retroperitoneal bleeding. The retroperitoneal space can accommodate up to 4 litres of blood (Phipps et al, 1999), thus ongoing monitor vital signs and Grey-Turner's sign at the early stage of the case is necessary. The sciatic nerve is the thickest and longerst nerve in the body. Two nerves (tibial and common peroneal) wrapped in a common sheath make up the sciatic nerve. Because of its anatomical location, the sciatic nerve injury is common in the pelvis fracture. It ...

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