If a patient presents with a history of head-on motor vehicle collision (MVC) traveling at 120mph, severe lower abdominal pain, and an unstable hip on lateral compression, the priority intervention is to stabilize the patient's condition and perform a thorough assessment to identify and manage any life-threatening injuries.
The initial assessment should include a primary survey to identify and manage any immediate life-threatening conditions such as airway, breathing, and circulation problems. If necessary, the patient should be intubated to secure the airway and provide mechanical ventilation.
Once the patient is stabilized, a secondary survey should be performed to identify any other injuries. Given the patient's symptoms, there may be an injury to the pelvis, abdomen, or hips. A CT scan of the abdomen and pelvis may be necessary to rule out any internal injuries.
Pain management should also be initiated promptly to alleviate the patient's discomfort. Depending on the severity of the pain, intravenous opioids may be necessary.
Overall, the priority intervention for this patient is to stabilize the patient's condition, perform a thorough assessment, and provide prompt pain management.