Term
What are the 3 most common bacteria in AOM? |
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Definition
1. Strep pneumoniae 40-50% 2. Haemophilis influenzae 30-40% 3. Moraxell catarrhalis 10-15% |
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Term
What percentage of Step pneumoniae are resistant to penicillin? Cephalosporins? Trimethoprim/sulfamethoxazole (Bacterim)? |
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Definition
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Term
What are the only oral drugs effective against serotype 19A Strep pneumoniae? |
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Definition
fluoroquinolones or linezolid |
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Term
What 3 factors must be present in order to diagnose OM? |
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Definition
1. History of acute onset 2. Signs of middle ear effusion - immobile, bulging TM 3. Middle ear inflammation - erythema of the TM, otalgia |
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Term
What is the gold standard for diagnosis of OM? |
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Definition
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Term
When is tympanocentesis appropriate? |
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Definition
1. child with sepsis 2. treatment failure with multiple abx with possible hearing loss 3. children with immune deficiencies (likely atypical pathogen) |
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Term
What % of OM cases resolve spontaneously? |
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Definition
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Term
What is the most common indication for prescribing abx? |
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Definition
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Term
What is the first line of treatment for uncomplicated AOM? |
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Definition
1. Amoxicillin - safe, inexpensive, acceptable taste, and narrow microbiologic spectrum |
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Term
What is the low dose of amoxicillin for AOM? High dose? |
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Definition
40-45 mg/kg/day in divided doses BID x 10 days
80-90 mg/kg/day in divided doses BID x 10 days |
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Term
What is the dosing for amoxicillin/clavulanate for AOM? |
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Definition
1. amoxicillin 80-90 mg/kg/day 2. clavulanate 6.4 mg/kg/day 3. divided doses BID x 10 days |
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Term
What is the dosing of Clindamycin for AOM after treatment failure? |
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Definition
17-25 mg/kg/day in 3-4 doses x 10 days |
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Term
What are some risk factors for AOM recurrence? |
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Definition
1. younger than 15 months 2. hx of recurrent AOM in this child or sibling 3. male sex 4. not being breastfed 5. bilateral disease 6. day care 7. winter months 8. passive smoking |
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Term
Tympanometry is not reliable in infants younger than ____. |
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Definition
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Term
How do you help prevent AOM? |
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Definition
1. alter day care attendance 2. breastfeed for first 6 months 3. avoid supine bottle feeding 4. reduce/eliminate pacifier use 5. pneumococcal conjugate vaccine |
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Term
What % of OE are bacterial? |
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Definition
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Term
What type of OE infection has a green, foul-smelling discharge? |
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Definition
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Term
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Definition
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Term
What does fluffy gray to bluish green discharge suggest? |
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Definition
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Term
What abxs are used to treat OE> |
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Definition
Colistin/neomycin/hydrocotisone ofloxacin ciprofloxacin/dexamethasone |
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Term
What is a contraindication for the use of colistin/neomycin/hydrocortisone? |
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Definition
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Term
Which medication is approved for treatment of OE with perforated TM? |
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Definition
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Term
When is ciprofloaxin/dexamethasone (steroid) contraindicated? |
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Definition
viral or fungal infection |
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Term
What % of patients treated for chronic OE had a positive skin patch test for neomycin allergy? |
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Definition
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Term
How do you treat fungal OE? |
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Definition
2% acetic acid solution 1% clotrimazole tolnafate |
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Term
When is a wick indicated? |
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Definition
When the ear canal is narrowed by 50%, remove in 2-3 days |
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Term
How long should treatment of otitis externa last? |
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Definition
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Term
What is the 5th most common condition for which abx are prescribed in the U.S.? |
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Definition
Acute bacterial rhinosinusitis |
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Term
How many days must a patient be symptomatic before it is no longer assumed to be VIRAL rhinosinusitis? |
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Definition
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Term
hat meds are useful for rhinosinusitis? |
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Definition
oxymetazoline phenylephrine azelastine use 1-3 days only |
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Term
What % of Community Acquired Acture bacterial rhinosinusitis are caused by Haemophilis influenzae? Strep pneumoniae? |
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Definition
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Term
What 4 items are on the diagnostic point system for acute bacterial rhinosinusitis? |
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Definition
1. purulent nasal discharge - worse on one side 2. bilateral rhinorrhea 3. unilateral maxillary sinus tenderness (or frontal sinus tenderness) 4. Pus in the nasal cavity on examination |
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Term
What is the likelihood of ABRS if 3-4 points? 2 points? 0-1 points? |
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Definition
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Term
What type of fever favors diagnosis of ABRS? |
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Definition
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Term
How do you treat ABRS in peds? |
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Definition
1. high dose amoxicillin 2. high dose amoxicillin/clavulanate 3. cefidinir 4. clindamycin |
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Term
How do you treat ABRS in adults? |
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Definition
1. high dose amoxicillin or amoxicillin/clavulanate 2. cefpodoxine 3. moxifloxacin 4. clarithromycin |
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Term
Are nasal steroids useful in ABRS? |
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Definition
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Term
What is the first line of therapy for ABRS? |
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Definition
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Term
If a patient is allergic to penicillins, what do you use to treat ABRS? |
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Definition
trimethoprim/sulfamethoxazole or a macrolide |
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Term
If a patient has used abx in the last 4-6 weeks, what do you use to treat ABRS? |
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Definition
1. fluoroquinolone 2. high dose amoxicillin/clavulanate |
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Term
What % of children 5-9 years with sore throat have GABHS? |
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Definition
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Term
What % of 10-19 years with sore throat have GABHS? |
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Definition
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Term
What % of adults with sore throat have GABHS? |
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Definition
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Term
What is included in the diagnostic point system for GABHS pharyngitis? |
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Definition
1. Tonsilar exudates 2. absence of cough 3. tender anterior cervical lymph nodes 4. history of fever >100.4 5. <15 years 6. >45 years |
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Term
What is an uncommon, but very specific, finding for the diagnosis of GABHS pharyngitis? |
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Definition
1. scarlatiniform rash (sandpaper rash) 2. palatine petechiae? |
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Term
What should be avoided with a GABHS pharyngitis? |
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Definition
NSAIDs - may increase the risk of necrotizing fasciitis or toxic shock syndrome |
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Term
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Definition
a mixture of drugs (anesthetics and others) that help relieve the symptoms of pharyngitis |
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Term
What is the DOC for GABHS pharyngitis? |
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Definition
1. penicillin G bezathine IM 2. Penicillin VK in adults 3. Macrolide for penicillin allergy - clarithromycin |
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Term
What type of drug is guaifenesin? |
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Definition
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Term
What type of drug is dextromethorphan? |
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Definition
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Term
What might you use to treat watery, itchy eyes? |
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Definition
olopatadine azelastine
both are antihistamine and mast cell stabilizers |
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