Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
17 Cards in this Set
- Front
- Back
|
criteria for diagnosis of sinusitis
|
10-14 d of nasal discharge without improvement or
3 d purulent discharge and T>102 |
|
|
diagnosis of chronic rhinosinusitis
|
symptoms >12 weeks with therapy and CT changes
|
|
|
When do the maxillary sinuses form?
|
3rd-4th gestational month, present at birth
|
|
|
When do the ethmoid sinuses form?
|
3rd-4th gestational month, present at birth
|
|
|
When do the frontal sinuses form?
|
By 5th-6th birthday
|
|
|
where are the sphenoid sinuses?
|
immediately anterior to the pituitary fossa and just behind the posterior ethmoids.
|
|
|
How do the maxillary sinuses drain?
|
an ostium high on the medial wall of the sinus cavity
|
|
|
How do the ethmoid sinuses drain?
|
Each air cell drains independently through an ostium into the middle meatus
|
|
|
What is the ostiomeatal complex (OMC)?
|
the area between the middle and inferior turbinates that represents the confluence of the drainage areas of the frontal, ethmoid, and maxillary sinuses
|
|
|
What abnormalities are associated with immotile cilia syndrome?
|
middle ear disease, and 50% of patients have situs inversus
|
|
|
When are plain films used in diagnosing acute bacterial sinusitis?
|
Recurrent sinusitis with vague symptoms or poor response to therapy
|
|
|
What are the findings on x-ray for acute bacterial sinusitis?
|
opacification, mucosal thickening of at least 4 mm, or an air-fluid level.
|
|
|
When is CT used for diagnosis of sinusitis?
|
complicated ABS or who are being considered as surgical candidates (for either recurrent or chronic sinusitis).
|
|
|
Can CT distinguish between mucosal abnormality in acute sinusitis and simple URI?
|
no
|
|
|
which bacteria are found in acute sinusitis?
|
Streptococcus pneumoniae, Haemophilus influenzae, and Moraxella catarrhalis
|
|
|
what antimicrobial therapy is used for sinusitis?
|
Amoxicillin if uncomplicated and no recent treatment with antibiotics
|
|
|
what antimicrobial therapy is used for complicated sinusitis?
|
Cefotaxime with or without vancomycin
|
