Pancreas, Biliary Tract, Liver, Appendix, Flashcards
Most common abdominal surgical emergency
Appendicitis - affects 10% population
Percentage of patients w appendicitis that progress to perforation / peritonitis
20%
Pain timeline in appendicitis
12 hours - starts periumbilical and/or epigastric and intermittent, moves to Mcburney’s point and becomes constant.
Worse with movement, rebound tenderness.
Patient with a retrocecal appendicitis likely to feel pain
On rectal exam
Preferred method to confirm diagnosis of appendicitis
Abdominal CT
Most common causes of pancreatitis
Cholelithiasis
Alcohol abuse
also Hyperlipidemia (hypertriglyceridemia) Trauma Drugs Hypercalcemia Penetrating PUD
Grave prognosis of pancreatitis indicated with
Shock!
Sever hypovolemia,
ARDS,
Tachy >130bpm
Bruising of the flanks, known as ____ and indicative of ____
Grey Turner Sign, hemorrhagic pancreatitis (or other retroperitoneal hemorrhage)
Superficial edema and bruising around the umbilicus is known as ____ and indicative of ____
Cullen’s sign, hemorrhagic pancreatitis (severe, acute)
Most sensitive and specific lab for pancreatitis
Serum lipase, with elevations of threefold or greater
Ranson Criteria for poor prognosis of pancreatitis
WBC count > 16,000 Glucose > 200mg LDH > 350 AST >250 Arterial PO2 <60 Calcium Falling BUN rising
90% of chronic pancreatitis cases in US caused by
Alcohol abuse
Classic triad of chronic pancreatitis
Pancreatic calcification
Steatorrhea
Diabetes mellitus
(only occurs in 20%)
Clinical feature of chronic pancreatitis that’s different from acute
Fat malabsorption and steatorrhea (late in disease)
Diagnosis of chronic pancreatitis
Abdominal plain film reveals calcification of 20-30% of pancreas
5th leading cause of cancer death in US
pancreatic cancer
Risk factors for pancreatic cancer
increased age obesity tobacco chronic pancreatitis previous abdominal radiation family history
Jaundice and palpable gallbladder (Courvoisier sign) may be seen inpatients with
Cancer of the pancreatic hea
palpable gallbladder is known as
Courvoisier sign
Treatment for pancreatic cancer
Whipple surgery (if no metastases)
Prevalence of gallstones
By age 75, 35% of women and 20% of men have gallstones
percentage of ppl with gallstones that develop disease
30%
Complications of choledocholithiasis
Cholecystitis, pancreatitis, acute cholangitis
cause of acute cholecystitis
obstruction of bile duct by gallstone, causing inflammation
What can identify cause, location, and extent of biliary obstruction - event treat
ERCP (endoscopic retrograde cholangiopancreatography)
Treatment for cholecystitis
Surgical