EXAM #1: CASE I Flashcards Preview

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Flashcards in EXAM #1: CASE I Deck (16):
1

What is the leading (general) cause of OM?

Virus

2

If the causative agent of acute OM is a gram positive cocci in chains, what is the most likely diagnosis?

S. pneumoniae

3

What test can you use to tell the difference between Staphyloccoccus and Streptococcus?

Catalase test

4

What is the appropriate antibiotic treatment for S. pneumoniae acute OM?

Amoxicillin

5

In cases of recurrent or unresponsive OM, what is the treatment of choice?

Amoxicillin-clavulanate

6

What are some of the complications associated with OM?

1) TM rupture
2) Tympanosclerosis
3) Cholesteatoma
4) Mastoiditis
5) Lateral sinus thrombosis
6) Meningitis/brain abscess

7

What is the most common cause of fungal otitis externa with septate hyphae?

Aspergillus

8

What is the treatment for a fungal cause of otitis externa?

Azole

9

What is the treatment for bacterial otitis externa?

Neomycin

10

What is the most common cause of sinusitis?

Viral infection

11

How is acute BACTERIAL sinusitis treated?

1) Amoxicillin
2) Decongestants
3) Mucolytics

12

Nasal endoscopy reveals a gram negative rod with a green pigment, what is the most likely organism?

Pseudomonas aerogenes

13

With bacterial sinusitis caused by pseudomonas how should you alter your treatment?

Fluoroquinolones

14

What are the complications of bacterial sinusitis?

1) Meningitis
2) Cavernous sinus thrombosis
3) Meningitis

15

What kind of hemolysis pattern is seen with S. pyogenes?

Beta

16

What is the gold standard for definitive diagnosis of strep throat?

Culture