GI 4 Flashcards
abdominal pain/bloody diarrhea post surgery most likely has I___
colon receives blood via anastamoses of __ and ___ arteries
watershed regions are seen in __ flexure bw SMA/IMA and __ jxn bw Sigmoid artery and superior rectal artery
sensitive to __ states
condition could also be caused by T__
look for pale __ and petehcial __
ischemic colitis
SMA/IMA
splenic, RS
hypoTN
thrombosis
mucosa/hemorrhage
recurrent infections w Pseudomonas, chronic diarrhea, FtT dx is ___
steatorrhea/FtT due to M___ bc of panc insufficiency
tx by supplementing w ___
stay away from __ a somatostatin analogue, which dec __ secretion to intestines
Cystic fibrosis
malabsorption
panc enzymes
octreotide, panc enzyme
acute epigastric pain, unstable vitals, hematemesis should be __
duodenal ulcers more likely to occur A__
thus, P__ more common
posterior ulcers more likely to ___ the GD artery
peptic ulcer
anteriorly
perforation
hemorrhage
stool smear with iodine staining reveals elliptical cyst w smooth walls and 2 nuclei,, organism is ___
will colonize the __/__, leading to D/M/F
Tx w __
commonly acquired via drinking __
Giardia lamblia
D/J, dairrhea, malabsorption, flatulence
metro
contam water
Inflamm travelers diarrhea presents w stool of __/__
tx w __ or another F
M__ is antihelminth, acts on ___ of roundworms
ie A/A/E
A__ tx tapeworm Echinococcus
produces c__ normally
__ is opiate antimotility drug, used for __
E___ can be used for Campylobacter
blood/mcuus
cipro
mebendazole, microtubules
ascaris/ ancylcostoma/enterobius
albendazole
cysts
Loperamide, travelers diarrhea
erythromycin
pathogen transmitted from dog to human _ such as from Cattle/sheep/dogs/chicken
food such as undercooked __ and unpasteurized __
curved gram __ w filament for __ fashion
Transmission is __
presents w __ diarrhea, T, __ in stool
campylobacter
poultry
milk
neg, corkscrew
F-O
inflam, tenesmus, leuks
human pathogen transmitted F-O by dirty hands/fomites/lack of hygiene
CD most likely involves the T__
this results in loss of __, causing impaired __ absorption
lipids in bowel then bind to __ ions, and soap is excreted
thus, oxalate is unbound and absorbed, resulting in formation of ____
shigella
terminal ileum
BA, fat
Ca
oxalate kidney stones
__ is benign AR cx charactersed by defective excretion of bilirubin glucuronides, due to mutation in __ protein
pt presents w __ without trigger and otherwise asx
labs show __ hyperbilirubinemia
liver appears grossly __ due to impaired excretion of epinephrines in lyysosomes
Dubin johnson syndrome
jaundice
direct
black
When US is nonconclusive, use __ hepatobiliary scanning for Acute Cholecystitis
gallbladder will not be seen, as radiotracer accumulates in ___/___
presence of echogenic structures in gallbladder on US is __
look for __ sign, gallbladder wall __, or pericholecystic __
radionucleide scan
liver/CBD
nondiagnositc
murphy, thickening, fluid
__ supplies the stomach, duodenum, liver, spleen, pancreas
SMA/IMA anastaoses- marginal artery of ___ or arc of __
these supply __/__
these anastamoses protect the intestine from ___
venous drainage occurs via __/__ mesenteric veins
celiac trunk
Drummond, Riolac
S/L intestine
ischemia
superior/inferior
inflmmation of vessel wall in CD leads to narrowing, which is seen as the __
this indicates intestinal __
string sign
obs
in cirrhosis, hyperestrinism inc prodxn of E__
this results in inc __ binding to SHBG, and more free ___
reduced __ metabolism by liver
other manifestations inlcude T__ and dec ___, S
estradiol
testosterone, estrogen
estrogen
testicular atrophy, body hair, spider angiomata
complication of longstanding cholelithiasis is G___, with formation of cholecystoenteric ___ bw gallbladder/duodenum
allows passage of gallstone and trapping in __
develop sx of ___
such as pain, NV, __ bowel sounds, TTP
xray shows __ of bowel w air fluid levels
air entering biliary tree aka ___
gallstone ileus, fistula
ileus
SBO
high pitched
distended loops
pneumobilia
enteric bacteria can produce vitamins like __ and ___
seen in __ from Roux En Y gastric bypass
sx include N/B/discomfort/M\
deficient in most other ___
VK, folate
small intestinal bacteria overgrowth
bloating, malabsorption
vitamins
50% infectious dose corresponds to minimim number of organs to cause __ in 50% of affected individuals
very low infectious dose seen w ___
begins w __ diarrhea, dysentery, T
also small ID w C/E/G
larger for S/V/C/E
disease
shigella
watery, tenesmus
campylobacter, enatamoeba, giardia
salmonella, vibrio, clostridium, e coli
__ is transmitted by filariform larvae in soil w human feces
larva penetrate ___, migrate to __, coughed up and swallow to intestines
form __ larvae in intestine and excreted
some can form filariform larvae, leading to ___ and __ throughout body
may present w multiorgan __/__
usually in patient taking __ or __ infection
impaired __ cellular immune response
particularly seen in __ (geography)
Sx pruritic, red, linear streaks aka larva __
as larva migrate from perianal region
dx w __ in stool
tx w ___
stronglyoides
skin, lungs
rhabditidiform
autoinfect/hyperinfect
failure/sepsis
IC, HTLV1
TH2
SE asia
currens
larvae
ivermectin
detection of parasite eggs in stool to dx __
__ deposits eggs in perianal folds
dx w scotch tape to __ region
tapeworms like T/T/D form proglottids and seen in stool
schistosomiasis
enterobius
perianal
T solium, T saginata, d latum
