Review Question - QID 216361

A 57-year-old man presents to the emergency department with a fever and trouble breathing. His wife states that his symptoms started this morning and have been rapidly progressing. The patient's voice has now changed, and he seems very uncomfortable. The patient has a past medical history of obesity, diabetes, and hypertension. His temperature is 102°F (38.9°C), blood pressure is 142/98 mmHg, pulse is 107/min, respirations are 24/min, and oxygen saturation is 99% on room air. Physical exam reveals an uncomfortable man who is drooling. There is redness under his mandible, and his skin in this area is firm and indurated. His tongue is slightly protruding at rest. Which of the following is the most appropriate next step in management?