Pharyngitis

Question 1

Pharyngitis:

Causative organisms (2)

Answer 1

Streptococcus pyogenes, viruses

Question 2

Pharyngitis: S. pyogenes

MoT (2)

Answer 2

droplet, direct contact

Question 3

Pharyngitis: S. pyogenes

Virulence factors (7)

Answer 3

LTA, M protein, hyaluronic acid capsule, SLS, SLO, superantigens, induction of autoimmunity

Question 4

Pharyngitis: S. pyogenes

Culture/ Dx (3)

Answer 4

beta-hemolytic, bacitracin sensitivity, rapid antigen test

Question 5

Pharyngitis: S. pyogenes

Prevention

Answer 5

hygiene practices

Question 6

Pharyngitis: S. pyogenes

Treatment (2)

Answer 6

penicillin, cephalexin (if allergic to penicillin)

Question 7

Pharyngitis: S. pyogenes

Epidemiological features (US)

Answer 7

20-30% of all cases

Question 8

Pharyngitis:

Viral vs. bacterial

Answer 8

viral- mild, hoarseness

bacterial- more painful, fever, headache, nausea

Question 9

Pharyngitis:

Symptoms

Answer 9

inflammation of throat, pain and swelling, reddened mucosa, swollen tonsils, white products of inflammatory products on wall of throat, difficulty swallowing, foul breath