Upper Respiratory Infections Flashcards
Syndromes
Cold URI Bronchitits Oititis SInusitis Pharyngitis Epiglottitis
Etiologies of URIs
Rhinoviruses (common cold, bell curve progression) Coxsackie virus A Influenza (flu, hits 110% on day 1, no progression) Coronavirus Adenovirus Echovirus EBV Parainfluenza HSV
Characteristics of URIs
VIRAL
last 7-10 days
nasal congestion, cough
Pharyngitis
sore throat
usually viral
college students
Immunosuppresed patients = unusual agents
Grp A Strep, diphtheria, pertussis (whooping), gonococcus, archanobacteria,
tularemia, chlamydia, anaerobes***
Group A Strep
Sudden onset fever headache nausea, vomit pharyngeal inflam discrete exudate tender cervical nodes ages 5-15** winter to spring exposure NO cough, congestion, conjunctivitis
Oititis
84% kids 1 episode, 50% >4
50% viral
pneumo, H flu, moraxella
after URIs
ear pain pulling
60% no fever
antibiotics little value
can treat with lesion to tympanic mem
Sinusitis
adults after URIs usually viral can cause tooth pains facial pain, opacity by transillumination x-rays not specific
pneumo, H flu, moraxella
antibiotics little value
Epiglottitis
Haemophilis influenzae (vaccine against)
Dysphagia, drooling, stridor (hear breathing)
Protect airway, kids can die from this
Lateral neck x-ray (thumb sign)
Diagnosis URIs
Throat culture w 90-95% sensitivity or rapid test 80-90%
Other diseases need aspirate (complicated cases)
In kids always culture but for adults can usually trust rapid test
Treatment of URIs
Treat Group A and epiglottitis with antibiotics
Don’t treat others unless complicated case or immunosuppressed
Effect of antibiotic
No effect on sinusitis, otitis, or acute bronchitis