<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 27 year-old-male presents to the Emergency Room as a code trauma after being shot in the neck. En route, the patients blood pressure is 12773 mmHg, pulse is 91min, respirations are 14min, and oxygen saturation is 100 on room air with GCS of 15. On physical exam, the patient is in no acute distress; however, there is an obvious entry point with oozing blood near the left lateral neck above the cricoid cartilage with a small hematoma that is non-pulsatile and stable since arrival. The rest of the physical exam is unremarkable. Rapid hemoglobin returns back at 14.1 gdL. After initial resuscitation, what is the next best step in management?? A: MRI, B: Plain radiography films, C: Conventional angiography, D: CT angiography, E: Bedside neck exploration,  <response>: This is a trauma patient who has sustained a gunshot wound to the neck. The key findings are an entry wound near the left lateral neck above the cricoid cartilage with oozing blood and a small, stable hematoma. The patient is hemodynamically stable with normal vital signs and oxygen saturation. The question asks about the next best step in management after initial resuscitation.The choices include imaging modalities like MRI, plain films, conventional angiography, and CT angiography, as well as bedside neck exploration. MRI would not be appropriate in an acute trauma setting. Plain films may miss vascular injuries. Conventional angiography is invasive and requires transfer to an interventional suite. CT angiography is non-invasive and allows rapid evaluation of vascular structures. Bedside exploration risks precipitating bleeding without clear benefit. Therefore, CT angiography would provide the most appropriate initial imaging to evaluate for vascular injuries in this stable patient after gunshot wound to the neck.D: CT angiography 