Review Question - QID 216581

A 57-year-old man presents to the emergency department with a fever, neck pain, and chest pain. His symptoms started 1 day ago but have been gradually worsening. His wife noticed his voice had changed. He has a past medical history of obesity and diabetes and does not take any medications. His temperature is 102°F (38.9°C), blood pressure is 162/82 mmHg, pulse is 85/min, respirations are 19/min, and oxygen saturation is 98% on room air. The patient appears uncomfortable, and his tongue is protruding from his mouth. His voice sounds muffled when speaking and he is drooling. Physical exam reveals a large area of submandibular swelling. Which of the following is the most appropriate next step in management?