Sinusitis and OM meds Flashcards Preview

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Flashcards in Sinusitis and OM meds Deck (18):
1

Describe sinusitis

Secondary cold
Viral rhinosinusitis (VRS)

2

What percent of Viral rhinosinusitis progresses to bacterial sinusitis?

1-2%

3

What causes bacterial growth in sinusitis? What does this result in?

Secondary obstruction
Acute bacterial sinusitis

4

What causes 50% of acute bacterial sinusitis?

S. pneumoniae
H. influenza

5

How quickly do VRS sx improve?

7-10 days

6

How do you clinically dx ABS?

Sx persistance > 10 days
Worsening sx in 5-7 days
OR
Transilummination of maxillary sinus

7

What is the rate of cure for ABS w/ 10 days if abx?

90%

8

What are some current abx recommendations for ABS?

Amoxicillin
Cefdinir
Levofloxacin

9

What is the MC reason for abx in kids?

Otitis media

10

What are the etiologies of AOM? How commonly?

S. pneumoniae (38%)
H. influenza (27%)
M. catarrhalis (10%)

11

How do you dx AOM?

Based of signs and sx
Inflammation of TM (red tympanic membrane)
Fluid in middle ear (bulging membrane)

12

What is a negative TM sx that isn't AOM?

Retracted eardrum that is painful -> caused by negative middle ear pressure

13

Is a red TM w/o middle ear fluid AOM?

No

14

How do you inspect the TM?

W/ otoscope

15

When is tympanocentesis indicated?

Pt critically ill @ sx onset
Toxic pts not responding in 48-72 hours
Pts w/ altered host defenses

16

What is the drug of choice for otitis media?

Amoxicillin

17

What is the recommended dose of amoxicillin for OM?

80 mg/kg/day
*high dose*

18

What are some alternatives for pts who failed amoxicillin tx for OM?

Amox/clav
Cufuroxime axetil
Cefdinir
Ceftriaxone