GI Flashcards
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What is Ranson’s criteria?
Indicates poor prognosis of pancreatitis
* At admit:
* Age >55
* WBC >16000
* Glucose >200
* LDH >350
* AST >250
At 48 hrs:
* Arterial PO2 <60
* HCO3 <20
* Calcium <8
* BUN increase by 1.8+
* Hematocrit decrease by >10%
* Fluid sequestration > 6 L
Classic triad of chronic pancreatitis
- Pancreatic calcification
- Diabetes mellitus
- Steatorrhea
Signs of large bowel obstruction on xray
Dilated loops of large bowel with haustra that do not transverse the bowel and a cut off sign in sigmoid region, bird beak sign
Gastric cancer mneumonic
WEAPON
* Weight loss
* Emesis
* Anorexia
* Pain/epigastric pain
* Obstruction
* Nausea
what is on xray of sbo
valvulae connivientes
What should you think with currant jelly stools and sausage-like mass in abdomen
Small bowel intussusception
Diagnosis of small bowel intussusception
Abdominal x-ray/ultrasound: crescent sign or bull’s eye sign/coiled spring lesion/target sign
CT scan: target lesion
Ileus of how many days after surgery is considered postoperative adynamic ileus or paralytic ileus?
3 days
Diagnosis of ileus
Signs: absent bowel sounds
CT scan with gastrografin to exclude mechanical obstruction
Treatment of postoperative adynamic ileus or paralytic ileus?
Spontaneously resolves
D/C opiates
MCC of gastroparesis
Diabetes
Symptoms of gastroparesis
Nausea
Full feeling after little food eaten
Palpitations, heartburn, bloating, decreased appetite, GERD
Gastroparesis diagnosis
KUB
Manometry
Gastric emptying scan
Treatment of gastroparesis
Low fiber and low residue diets, restrict fat intake, smaller spaced meals
Metoclopramide
Most common antibiotics to cause c.dif
Penicillins, cephalosporins, and FQ
Treatment of c.dif
IV metronidazole or PO vancomycin
