Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
45 Cards in this Set
- Front
- Back
congenital pyloric stenosis
|
olive mass in epigastric region, nonbilious projectile vomiting at 2 weeks
|
|
whipples disease
|
infxn with Tropheryma whippelii (g+); PAS pos macrophages in lamina propria, mesenteric nodes
older men |
|
lactase deficiency
|
osmotic diarrhea
|
|
pancreatic insufficiency causes
|
CF, cancer obstruction, chronic pancreatitis
|
|
celiac
|
blunting villi, affects jejunum, assoc with dermatitis herpetiformis, inc risk of T-cell lymphoma
transglutaminase screening |
|
acute gastritis
|
disruption of mucosal barrier
caused by stress, NSAIDs, etOH, uricemia, burns (Curlers), brain injury (Cushings) |
|
chronic gastritis A
|
Ab to parietal cells, pernicious Anemia --> gastric body, Achlorydia
similar to Menetriers (hypertrophy --> parietal atrophy) |
|
chronic gastritis B
|
caused by H. pylori
affects antrum inc MALT lymphoma |
|
crohns
|
terminal ileum, colon, rectal sparing
skip lesions, transmural inflammation, cobblestone mucosa, creeping fat non-caseating granumlomas tx: corticosteroids |
|
ulcerative colitis
|
autoimmune
continuous colonic lesions (always rectal) mucosal and submucosal involvement, pseudopolyps crypt abscesses and ulcers, toxic megacolon, CRCA, bloody diarrhea, primary scleroisng cholangitis tx: sulfasalazine |
|
severe ab pain
|
pancreatitis, ischemic colitis, kidney stones, ab aortic aneurysm
|
|
angiodysplasia
|
tortuous dilation of vessels --> bleeding
cecum, ascending colon; older patients |
|
virchow's node
|
involvement of left supraclavicular node by mets from gastric AC
(type A blood is RF for gastric AC) |
|
zollinger-ellison
|
pancreatic islet cell malignancy
produces excess gastrin --> hyperacidity assoc with MEN I |
|
hematochezia
|
massive loss of whole blood per rectum
sigmoid diverticulosis, angiodysplasia |
|
invasive diarrhea pathogens
|
shigella, camp jejunum, entamoeba hystolytica
|
|
secretory diarrhea
|
laxatives, vibrio cholerae -enterotoxins- E. Coli, carcinoid syndrome -serotonin inc
|
|
acute mesenteric ischemia
|
afib --> systemic embolization --> SMA
|
|
small bowel signs
|
thumbprint sign on radiograph
diffuse abdominal pain and bloody diarrhea |
|
ischemic colitis
|
splenic flexure pain and bloody diarrhea
|
|
5-HIAA in urine
|
serotonin --> carcinoid tumor (terminal ileum)
- liver metastasis makes it a syndrome (flushing of skin, diarrhea, tricuspid regurg, pulm stenosis) |
|
turcot's polyposis syndrome
|
AR, assoc with malignant brain tumor (astrocytoma, medulloblastoma)
|
|
colon cancer
left vs right |
left: obstruct -- napkin ring
right: bleed -- polypoid tumors |
|
colon cancer
|
CEA detects recurrence; RAS, rectosigmoid, colonoscopy, liver met
|
|
pathogen of appendicitis
|
E. Coli and Bacteroides fragilis
|
|
appendicitis
|
same as diverticulitis
pain precedes nausea/vomiting -periumbilical to RLQ -complications: perforation, pylephlebitis --> thrombosis |
|
anal carcinoma: basaloid vs squamous
|
basaloid above pectinate line, common
squamous below pec line, HPV assoc |
|
plummer-vinson triad
|
esophageal webs
glossitis iron deficiency anemia |
|
Reye's syndrome
|
childhood hepatoencephalopathy
post infxn (influenza B, VZV) or ASA fatty liver, hypoglycemia, coma |
|
budd-chiari
|
occlusion of IVC or hepatic veins w/ centrilobular congestion and necrosis --> cong liver dz
absence of JVD, assoc w/ polycythemia vera, preg, HCC |
|
black liver
|
Dubin-Johnson syndrome
(conj hyperbilirubinemia) |
|
Gilbert's
|
mildly dec bilirubin uptake or UDP-glucuronyl transferase
(unconj hyperbilirubinemia) |
|
primary sclerosing cholangitis
|
intra and extrahepatic. inflammation and concentric onion skin fibrosis of bile ducts
hi ALP, assoc with UC |
|
biliary cirrhosis
|
primary: intrahepatic, mitochondrial Ab, assoc w/ scleroderma and CREST
secondary: extrahepatic biliary obstruction --> bile lakes; (hi conj bilirubin) |
|
cholangitis triad
|
jaundice, fever, RUQ pain
|
|
h2 blockers
cimetidine, ranitidine, famotidine, nizatidine |
mech: rev block of histamine rec --> dec parietal H secretion
use: peptic ulcers, gastritis, mild GERD tox: inh p450, gynecomastia, impotence, cross BBB and placenta |
|
PPI
omeprazole, lansoprazole |
mech: irrev inh H/K ATPase in parietal
|
|
bismuth, sucralfate
|
mech: binds ulcer base, physical protection; allows HCO3 for mucous layer
use: ETEC, ulcer healing |
|
misoprostol
|
PGE1 analog; inc secretion of mucous barrier, dec acid
use: prevents NSAID ulcers; maintains PDA, induces labor tox: diarrhea; abortifacient |
|
muscarinic antagonist
|
block M1 rec on ECL cells (dec hist) and M3 rec on parietals (dec H)
use: peptic ulcer tox: tach, dry mouth, eyes |
|
infliximab
|
MAB to TNF
use: crohn's, RA, CML tox: resp infxn, fever HoTN |
|
sulfasalazine
|
AB and anti-inflamm; act by colonic bacteria
use: UC, crohn's tox: malaise, sulfa, nausea |
|
ondansetron
|
serotonin antagonist; anti-emetic
tox: headache, constipation |
|
cisapride
|
mech: thru serotonin rec to inc Ach at myenteric, inc esophagus, gastric, duo
tox: torsades with other drugs |
|
metoclopramide
|
d2 rec antagonist, inc resting tone, contractility, LES, motility
use: diabetic and post-surgery gastroparesis tox: park effects, digoxin, diabetic agents, SBO |