GI Flashcards
What are the diagnostic criteria for SBP?
neurtrophil Count greater than 250
Who should be screened for Hep C?
Anyone between 45 and 64
Who should get TIPS?
Refractory ascites
What is SAAG?
Serum albumin - ascites albumin. If greater than 1.1, indicates portal hypertension – Cirrhosis, budd chiari, myxedema, cardiac ascites
What is the most common serotype of hepatitis B?
Hep B type A
What are the complications of PPI?
CA pneumonia
What are the extra intestinal manifestations of Crohn’s ?
Uveitis, pyoderma gangrenosum, aphthous ulcers,
What are the extra intestinal manifestation for UC?
PSC, Ankylosing spondylitis, eye
When do we start colon cancer screening
50
DEscribe algorithm for suspected variceal hemorrhage.
Give volume, octreotide, antibiotics. If continued bleed, balloon tamponade and then consider TIPS
What is the initial therapy for nonbleeding varices (prophylactic treatment)
beta blockers
Explain how malabsorbption leads to increased formation of calcium oxalate stones
fat binds all the calcium that is normally used to sequester the oxalate
What test might be useful for diagnosing chronic pancreatitis?
secretin
What is the diagnostic test for celiac? Why is it often inaccurate?
anti-endomysial and anti-transglutimase antibodies - might be off if patient has IgA deficiency, which is common in celiac
What are the pathological findings of UC?
acute and chronic inflammation leading to crypt abcess formation
What are the pathological findings of crohns?
full thickness inflammation with granuloma formation, lymphoid aggregate formation and skip lesions
neutrophilic cryptitis
What does the double duct sign tell you?
pancreatic cancer at the head
What is the definition of pancreatitis?
amylase, lipase > 3x normal, CT scan (pancreatic calcification), clinical picture
What are the components of a MELD score?
INR, bilirubin, Cr
What should be your first step when someone has ascites drainage?
replete albumin to prevent hepatorenal syndrome
A patient presents with elevated WBC, hypotension, tachycardia in the setting of probable IBD. What test should be performed?
X ray to look for dilation - suspect toxic megacolon
What areas of the colon are most vulnerable to ischemic colitis?
splenic flexure
What drugs can induce pancreatitis?
diuretics, IBD drugs, immunosuppressives (azathioprine), seizure drugs (valproic acid), AIDs drugs, antibiotics (metronidazole, tetracycline)
What antigen levels are elevated in pancreatic cancer?
serum Cancer associated antigen 19-9