Infectious Disease I Flashcards
Peak incidence of otitis media
6-36 months
Most common bugs of otitis media
s. pneumo, h.flu, m. cat
First line therapy for otitis media
amoxicillin
Treatment of otitis media if failure of first line
Augmentin
Complications of otitis media
mastoiditis, venous sinus thrombosis, brain abscess
Key points regarding the effect of abx when treating otitis media
Abx decrease duration of infection but do NOT decrease incidence of complications
Main bacteria with otitis externa
pseudomonas, s. aureus, proteus
Sx include: Otalgia, Pain at tragus or when auricle is pulled!!!!! Pruritis, Discharge, Hearing loss
otitis externa
PE findings include: Edematous and erythematous ear canal. May see yellow, brown, white or grey debris
otitis externa
Tx of otitis externa
irrigate gently w/1:1 dilution of 3% hydrogen peroxide AT BODY TEMP.
Tx of inflammation associated with otitis externa
Cortisporin, Cipro HC, Tobradex
soln if unsure if TM is intact
Most common cause of pharyngitis/tonsillitis in children 2-5 yrs
virus
Most common bacterial cause of pharyngitis/tonsillitis
streptococcus pyogenes (GABHS)
Sx include: rhinorrhea, cough, mild pharyngitis, fatigue, anorexia, abdominal pain
viral pharyngitis
Sx include: beefy red tonsils with exudate, tender anterior cervical lymphadenopathy, fever, HA, abdominal pain
GABHS pharyngitis
Diagnostic method of choice for GABHS
throat culture
Abx treatment for GABHS pharyngitis
PCN first line. Macrolides as alternative
Sx include: malaise, beefy red tonsils/exudate, posterior cervical adenopathy, splenomegaly, afebrile
Epstein-Barr virus
Diagnostics for EBV
heterophile antibody test (Monospot). EBV antibodies on CBC (IgG, IgM)
How long should a pt with EBV avoid contact sports?
6-8 weeks
Caused by enterovirus. High fever and small ulcers on erythematous base on tonsillar pillars, soft palate, and uvula
Herpangina
caused by coxsackie virus. Vesicles or red papules found on the tongue, oral mucosa, hands, and feet. Mild fever and malaise
hand, foot, and mouth disease
Occurs in unimmunized child (HIB), High fever, sore throat, stridor, Drooling and respiratory distress
epiglottitis
one to several small ulcers on the insides of lips or elsewhere in the mouth. Last 1-2 weeks
Aphthous Stomatitis (Canker Sore)