This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'Patient presents with neck swelling and respiratory distress few hours after a thyroidectomy surgery. Next management would be: \nSelect and explain. \nA. Open immediately, B. Tracheostomy, C. Wait and watch, D. Oxygen by mask', 'role': 'user'}, {'content': "Answer: A \nExplanation: In this case, the swelling is due to tension haematoma which is a complication of thyroidectomy. Hence the resulting complication will be respiratory obstruction secondary to laryngeal oedema. Ref: Harrison's Internal Medicine, 18th Edition, Page 362; bailey and Love's Sho Practice of Surgery, 25th Edition, Page 790, 794 and 23rd Edition, Page 727.", 'role': 'assistant'}]