ID - random topics Flashcards
Treatment of cryptosporidium
nitazoxanide
Positive tuberculin skin test in a patient with no known risk factors
> 15 mm in size
Positive tuberculin skin test in a patient with risk factors (employees in high risk areas - healthcare, prison, homeless shelters, injection drug users, person who moved <5 years ago from high prevalence area)
> 10 mm in size
Positive tuberculin skin test in a patient with known contact with TB + person, HIV positive, immunocompromised/immunosuppressed patients, or patient with chronic changes on CXR indicating old TB
> 5 mm in size
Centor criteria items
absence of cough (+1 point)
tonsillar exudates (+1 point)
tender anterior cervical lymphadenopathy (+1 point)
fever (+1 point)
age 3-14 (+1 point)
age 14-44 (0 points)
age >44 (-1 point)
Centor score greater than or equal to 3
rapid antigen strep test
Centor score less than or equal to 2
no further testing needed
indications for infective endocarditis prophylaxis prior to dental procedure (9 items)
1) history of endocarditis
2) prosthetic valve
3) cardiac transplant with regurgitant valve
4) prosthetic material used for cardiac valve repair (rings, clips, etc.)
5) LVAD
6) Unrepaired congenital heart defect
7) Repaired congenital heart defect with residual defects
8) A defect that has been repaired with prosthetic material in the past 6 months
9) Surgical or transcatheter pulmonary artery valve or conduit placement (Melody valve, contegra conduit, etc.)
PO options for endocarditis prophylaxis
PO amoxicillin
(if penicillin or amoxicillin allergic = cephalexin, azithromycin, clarithromycin, doxycycline)
IM or IV options for endocarditis prophylaxis
IM or IV ampicillin
(if penicillin allergic = IM or IV cefazolin, IM or IV ceftriaxone)
outpatient PID management
One dose of ceftriaxone + PO doxy + PO flagyl
When is inpatient management indicated for pelvic inflammatory disease?
inability to tolerate PO antibiotics
pregnancy
tubo-ovarian abscess
inability to exclude surgical emergency
failed outpatient management
options for inpatient PID management
cefotetan + doxycycline
cefoxitin + doxycycline
ceftriaxone + doxycycline + flagyl
Lyme prophylaxis with single dose doxycycline indicated when..?
tick attached >36 hours
patient seen within 72 hours of tick removal
HIV preexposure prophylaxis
2 drug regimen
