mar 13 Flashcards
who should be screened for lung cancer?
patients aged 55-80 with a 30 pack year history
how is lung cancer screening done?
annual low-dose CT
where is the most common location for a burst fracture?
C1
do patients with small hyperplastic polyps require more frequent colon cancer screening?
no - they can undergo normal screening - no increased risk of cancer
is warfarin use appropriate in patients with end stage renal disease?
yes - bridge with unfractionated heparin
which drugs may cause male secondary hypogonadism?
opioids, steroids
why do opioids cause decreased libido and erectile dysfunction in males?
opioids suppress GnRH and LH
how may hypothyroid lead to carpal tunnel syndrome?
deposition of mucinous material (glycosaminoglycans, etc.) within soft tissue
what is deficient in von gierke disease (type I glycogen storage disease)?
glucose 6 phosphatase (cant breakdown glycogen to glucose)
presentation of von gierke disease?
hypoglycemia (and seizures), lactic acidosis, hyperuricemia, hyperlipidemia, doll-like face, hepatomegaly
when does von gierke disease present?
usually 3-4 months of age
Glucocerebrosidase deficiency =
gaucher disease
presentation of gaucher disease
bone pain and cytopenia, hepatosplenomegaly
what is the name of the antivenom that can be used to treat any type of snake bite (by a north american snake)?
crotalidae polyvalent immune Fab
what is the name of the antivenom that can be used to treat confirmed rattlesnake bites?
crotalidea immube F(ab)2 equine
which arteries are typically effected in fibromuscular dysplasia?
renal and internal carotids
what is zolendronic acid?
a bisphosphenate
what causes large linear ulcers of the esophagus?
CMV
what causes round/oivoid lesions in the esophagus?
HSV
treatment of HSV esophagitis?
acyclovir
treatment of CMV esophagitis?
ganciclovir
why does acyclovir not work in treating CMV?
CMV doesnt encode the thymidine kinase enzyme that activates acyclovir
