year old male presents with a history of sore throat, pain on swallowing and a
muffled voice. Apart from a upper respiratory tract infection a few days prior
to the onset of these symptoms, he had been well and was not on any
medication. He did not smoke but drank 24 units of alcohol per week.
examination he was febrile, there was drooling of saliva from his mouth, there
was no tonsillar enlargement. He had a pulse rate of 110 beats per minute,
there was cervical lymphadenopathy and tenderness over the larynx. His
respiratory rate was 30 per minute and you could hear stridor
this patient which one of the following organisms is most likely to have
caused the condition?
Haemophilus influenzae type B
Group A beta-haemolytic Streptococcus