mar 9 Flashcards
does C perfringens cause watery or bloody diarrhea?
watery
does rotavirus cause bloody diarrhea?
no - watery
does shigella cause bloody diarrhea?
yes
what are the criteria for extubation?
- ph > 7.25
- adequate oxygenation in minimal support (pO2 > 60)
- intact inspiratory effort and sufficient mental alertness
if somenoe has an urticarial reaction during transfusion, what should you do?
- stop tranfusion
- give antihistamines
- if no symptoms of anaphylaxis = just an urticarial reaction -> continue transfusion
what accumulatins in the neurons in parkinsons disease?
alpha synuclein
patients with peutz-jeghers syndrom are at increased risk for…
GI, breast and genital cancers
which is more specific for a cardiovascular cause of ascities, hepatomegaly or positive hepatojugular reflux?
postive hepatojugular reflux - reflects hearts inability to accomodate increased venous return
most common cause of CF-related pneumonia in a child?
staph aureus
most common cause of CF-related pneumonia in an adult?
pseudomonas
what is prune belly syndrome?
A condition where a baby is born without abdominal muscles - >intestines are seen under skin and look like a prune
what are the types of impetigo?
bullous and non-bullous
treatment of bullous impetigo?
oral antibiotics
what causes herpangina?
coxacki virus
presentation of herpangina?
- fever
- pharyngitis
- gray vesicles/ulcers on oropharynx
treatment of herpangina?
supportive
the ovaries make ___ whereas the adrenal gland makes _____ (which androgen)
DHEA, DHEAS
what are the most common comorbid conditions that go along with tourette syndrome?
ADHD and OCD
branching, filamentous rods that are partially acid-fast =
nocardia
treatment of nocardia
TMP-SMX and drainage of abscesses
acid fast negative hyphae (non-filamentous) =
aspergillosis
do sensitivity and specificity change with disease prevalance?
NOOOOOOOO
do PPV and NPV change with disease prevalence?
YESSS
the greater the prevalance, the greater the…
PPV
