Surgery Shelf Cram

gsafsaf's version from 2016-02-24 15:50


Question Answer
Increased intraluminal pressureDiverticulosis
MC location sigmoid/LLQ discomfortDiverticulosis
Low fiber diet/constipationDiverticulosis
Barium enema diagnostic testDiverticulosis
Abdominal Xrays NOT diagnosticDiverticulosis
Painless rectal bleedingDiverticulosis
Complications include abscess, fistula, obstruction, perforationDiverticulitis
Barium enema/colonoscopy contraindicatedDiverticulitis
CT scan (abdomen/pelvis) + oral/IV contrastDiverticulitis
Fever, LLQ pain, leukocytosisDiverticulitis
Tortuous, dilated veins in submucosa of colonAngiodysplasia
2nd MCC of lower GI bleeding in pts >60Angiodysplasia
Bleeding stops spontaneouslyAngiodysplasia
MCC lower GI bleeding pts >60Diverticulosis
Laxative abusecolonic volvulus
MC site is sigmoidcolonic volvulus
Coffee bean signcecal volvulus
Omega loop signsigmoid volvulus
Bird's beak on barium enemacolonic volvulus
Emergent surgerycecal volvulus

Mesenteric Ischemia

Question Answer
Cardiac origin (afib, MI, valvular dz)arterial embolism
Acute occlusion occurs over pre-existing atherosclerotic diseasearterial thrombosis
Splanchnic vasoconstriction secondary to low COnonocclusive mesenteric ischemia
Least common form of mesenteric ischemia, multiple predisposing factorsvenous thrombosis
Most common form of mesenteric ischemiaarterial embolism
Sx more sudden + painfularterial embolism
Sx more gradual and less severearterial thrombosis
Typically occurs in critically ill ptsnonocclusive mesenteric ischemia
Sx may be present for days/wks, gradual worseningvenous thrombosis
"Abdominal angina"chronic mesenteric ischemia
dull postprandial painchronic mesenteric ischemia
weight losschronic mesenteric ischemia
Usually superior mesenteric arteryacute mesenteric ischemia
Celiac trunk, superior or inferior mesenteric arterieschronic mesenteric ischemia

Dx tests

Question Answer
Mesenteric angiographyMesenteric ischemia
Barium enemaDiverticulosis
CT scan + contrastDiverticulitis
Do NOT perform barium enema/colonoscopyDiverticulitis
Abdominal X rays NOT helpfulDiverticulosis
Sigmoidoscopy/Barium enemacolonic volvulus

Liver dz

Question Answer
Serum ascites albumin gradient >1.1g/dLportal HTN
Serum ascites albumin gradient <1.1g/dLportal HTN unlikely
OCP use, anabolic steroid usehepatocellular adenoma
MC benign liver tumorcavernous hemangioma
Microvascular ischemiaBudd-chiari syndrome
urine positive for bilirubinconjugated hyperbilirubinemia
decreased intrahepatic excretion of bilirubinconjugated hyperbilirubinemia
Dubin Johnson, Rotor syndromesconjugated hyperbilirubinemia
OCPsconjugated hyperbilirubinemia
PBC/PSCconjugated hyperbilirubinemia
Gallstonesconjugated hyperbilirubinemia
carcinoma of head of pancreas, cholangiocarcinomaconjugated hyperbilirubinemia
extrahepatic biliary obstructionconjugated hyperbilirubinemia
excess production of bilirubinunconjugated hyperbilirubinemia
hemolytic anemiasunconjugated hyperbilirubinemia
reduced hepatic uptake of bilirubinunconjugated hyperbilirubinemia
Gilbert's, Crigler-Najjarunconjugated hyperbilirubinemia
Physiologic jaundice of newbornunconjugated hyperbilirubinemia