may 27 Flashcards
At what pH is the use of bicarbonate replacement indicated?
<7.2
which two cancers are associated with elevated alpha fetal protein?
HCC and testicular cancer
what markers are elevated in cholangiocarcinoma?
CA-19-9 and CEA
How do you confirm the diagnosis of bladder rupture?
retrograde cystography
can you provide enteral feeding after abdominal surgery?
yes - this may have benefits such as maintaining gut integrity, preventing atrophy of gut and mucosa associated lymph tissue, etc.
risk factors for sigmoid volvulus?
chronic constipiation, colonic dysmotility
what are indications for surgical decompression of a cerebellar hemorahge?
- signs of neurologic deterioration (coma, obtundation, progressive lethargy)
- radiologic evidence of >3cm bleed, brainstem compression, obstructive hydrocephalus
which type of drugs can help treat priapism?
sympathomimetics (phenylephrine)
diagnosis of acute diverticulitis?
abdominal CT with contrast
what is physiologic anemia of infancy?
increased tissue oxygenation at birth which leads to down-regulation of erythropoetin
when does physiologic anemia typically occur?
2-3 months of age
management of physiologicaal anemia of infancy?
reassurance - will resolve as EPO increases
cause of ecthyma gangrenosum?
pseudomonas auruginosa
which patients get ecthyma gangrenosum?
those with systemic infection
clinical features of pyoderma grangrenosum?
-starts with small papule/pustule, rapidly progressive with purulent base
which conditions are associated with pyoderma gangrenosum?
inflammatory bowel disease, rheumatoid arthritis, malignancy
tranexamic acid MOA?
antifibrinolytic therapy
does a perianal abscess present with fever?
yes
does pilonodal disease present with fever?
no
risk factor for cecum volvulus?
congenital mobile cecum (mesentary fails to fuse with parietal peritoneum)
what causes a hytadid cyst?
echinococcus granulosus
eggshell calcification of a liver cyst is suggestive of…
a hytadid cyst from echinococccus granulosus
may a simple hepatic cyst be calcified?
NO
can a lung infection cause mild hyponatremia?
YES
what is the preferred IV fluid for burn victims?
lactated ringer solution
why is lactated ringer solution useful burn victims?
helps buffer acidosis from burns because of metabolite that is changed into bicarb
