Absrtact:
Retroperitoneal bleeding occurs when blood enters into the space behind the posterior reflection of the abdominal peritoneum. Retroperitoneal hemorrhage (RH) is a rare bleeding complication of percutaneous coronary intervention (PCI), which can result as a consequence of femoral access or can occur spontaneously. Common constellation of symptoms includes abdominal, back, flank, or groin pain; a palpable abdominal mass; and shock. Rapid diagnosis and treatment amongst a team of seasoned acute care personnel is key to patient survival.Treatment includes general measures,covered stents,coil emebolization or surgery.