The signs and symptoms described in the patient post-bariatric surgery, including anxiety, restlessness, increased abdominal pain, and subcutaneous crepitus over the neck, suggest a potential anastomotic leak, which is a surgical emergency. Given the vital signs indicating possible sepsis or shock (elevated heart rate, increased respiratory rate, and fever), immediate surgical intervention is likely required to repair the leak and prevent further complications. References: CCRN Exam Handbook, AACN, page 30, section on GI surgical emergencies.