A 45-year-old male patient presents to the emergency department with a 3-day history of increasing neck swelling, fever, and pain. The patient has difficulty swallowing and muffled voice. Vital signs on admission are BP 145/90, HR 102, Temp 38.6°C, RR 22. Based on these symptoms, which condition is most likely?
Ludwig's angina
Chronic otitis media
Acute sinusitis
Mastoiditis