ID COPY Flashcards
Daycare attendance is a risk factor for antibiotic resistant Strep pneumoniae otitis media infection T/F
True
List risk factors for for antibiotic resistant Strep pneumoniae otitis media
Daycare attendance
Recent antibiotic use
Recurrent otitis media
Patients under 2 years
Most common cause of bacterial endocarditis in children?
Viridans strep
Janeway lesions and Roth spots are often found in Subacute bacterial endocarditis T/F
F - Roth spots may be found in SBE, Janeway lesions may be found in ACUTE endocarditis, rare in SBE
What 3 untreated infectious diseases are absolute contra indications to breastfeeding in the USA?
HIV
HTLV - 1
HTLV - 2
Note: mothers with untreated TB should also not breastfeed but may provide expressed breastmilk
What is the most common cause of gastro illness associated with locally contaminated recreation water (eg water parks, pools, lakes)
Cryptosporidium infection
Note: Generally self limiting and does not require tx in immune competent unless severe or persists for > 2 weeks.
Can also be animal - person or person-person transmission
What is the first line treatment for Cryptosporidium infection?
Nitazoxanide
What is the finding on stool sample of Cryptosporidium infection?
Small round oocytes, sometimes containing visible sporozoites
Direct fluorescent antibody testing is preferred test
Toxoplasmosis is the leading infectious cause of congenital SN deafness T/F
F - CMV is the leading cause
CMV is the leading infectious cause of congenital SN deafness T/F
T
Infants with congenital CMV are treated with a 6 month course of oral valganciclovir T/F
F - Only those with moderate or severe symptoms. Not recommend for asymptomatic or mild symptoms as not proven to improve neurodevelopmental outcomes or hearing
Arcanobacterium haemolyticum is a common cause of what illness?
How is diagnosis made?
Acute pharyngitis
By culture on blood enriched media (not commonly done with throat swabs)
Note: common in adolescents; except from absence of palatal petechiae and strawberry tongue it is indistinguishable from Group A strep infectious
Treatment for Arcanobacterium haemolyticum ?
Erythromycin
Morphology of Arcanobacterium haemolyticum
Gram + rod
Note: Bacillus anthracis and Corynebacterium diphtheria are also gram + rods
Treatment of neonatal conjunctivitis cause by Chlamydia?
14 days of erythromycin
or 3 days of azithromycin
Note: pyloric stenosis is a SE of erythromycin