CO2 Subcutaneous Emphysema Occurs with insufflation of the extraperitoneal space. May be accidental or intentional. Signs: Elevated ETCO2 after initial plateau, crepitus Treatment: Stop peritoneal insufflation. Once hypercapnia has been resolved, laparoscopy may resume with lower insufflation pressures. The presence of cervical crepitus is not a contraindication for extubation. Pneumothorax Occurs when there exists a […]