What is the diagnosis in this patient who appeared sick, had a bull neck, and was tachycardic?
Answer A. DiphtheriaThe patient's features are typical of diphtheria. Her throat culture was positive for Corynebacterium diphtheriae. The patient recovered after the initiation of treatment with penicillin.
Diphtheria
Epiglottitis
Infectious mononucleosis
Rheumatic fever
Infection