Blunt Abdominal Trauma. MechanismsDirect impactAcceleration-deceleration forcesShearing forces. . No correlation between size of contact area and resultant injuries. Abdomen = potential site of major blood loss. . Initial Evaluation and Treatment. Is there a surgical intraabdominal injury?PE: guarding, peritoneal signs, tenderness, nausea. DRE.Lower rib fxs: 10-20% a/w spleen/liver injury Seatbelt sign a/w intestinal injury and mesenteric tears. Direct blunt trauma: rupture/tear of so1140
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