Etiology of Infection: bacteria, viral, fungal

Question 1

causative organisms in AOM?

Answer 1

• Group A Strep (15%)
• Strep. Pneumo (10%)
• pseudomonas (8%)
• staph aureus (5%)
• 50% no growth or viral

Question 2

causative organisms of typanostomy tube ottorrhea in children <2 years old?

Answer 2

S. pneumoniae, M. Cattarrhalis or Haemophilus influenzae

Question 3

causative organisms of typanostomy tube ottorhea in children >2 years old?

Answer 3

Pseudomonas aeruginosa and staphylococcus aureus

Question 4

causative organisms in otitis externa

Answer 4

P. aeruginosa and Staph. aureus