Gastroenterology Flashcards
(135 cards)
What is the best diagnostic test for PUD
Endoscopy
What does the Urea breath test identify?
H pylori
A 65 yo male has had GERD for years. Over the past 1 year he has noticed an increased difficulty in swallowing his food. What is the most likely diagnosis?
Esophageal strictures.
Which of the following is a presdisposing factor for esophageal varies? GERD African American Portal hypertension Crohn's disease
Portal hypertension
A string sign on a barium swallow should make you think of what diagnosis?
Pyloric stenosis
A bird’s beak sign on barium swallow should make you think of what diagnosis?
Achalasia
A corkscrew sign on barium swallow should make you think of what diagnosis?
Esophageal spasms
How do you initially treat H pylori infection?
2 antibiotics and 1 ppi
Omeprazole + clarithromycin and amoxil
omeprazole + TCN and Metronidazole
List 3 items in Charot’s triad
Jaundice, RUQ pain and fever
Which 2 Hepatitis viruses have vaccines?
Hep A and B
A hepatitis panel reveals that a patient has Anti-HepB antigen. What does this indicate?
The patient is currently infected with Hepatitis B
What is Murphy’s sign?
Inhibited inspiration with pressure over the RUQ secondary to pain - found in Cholecystitis.
What is Cullen’s sign?
Periumbilical ecchymosis associated with pancreatitis.\
What is the poses sign and when would you expect to find it?
Pain with passive right hip extension or active right hip flexion. Associated with acute appendicitis.
On physical examination, you elicit tenderness over McBurney’s point. What diagnosis is immediately in your differential?
Appendicitis
What are the first 3 steps in managing pancreatitis?
NPO, IV fluids and pain medication.
List all 5 of Ranson’s criteria
age >55, WBC >16,000; Glucose >200; LDH >350 Aspartate aminotrasferase (AST)>250
What does Ranson’s criteria indicate?
It is a clinical prediction rule for predicting the severity/prognosis of acute pancreatitis.
45 yo male presents with low grade fever and and pain. He has had non-bloody diarrhea x2weeks.
He states that this has happened severe times before and usually clears out after about a week. You decide to send the patient for a colonoscopy. On the report it mentions a cobblestoning appearance. What is the most likely diagnosis?
Crohn’s disease.
How is a definitive diagnosis of celiac disease made?
Endoscopic biopsy.
What are 2 tests to diagnosis lactose intolerance?
Hydrogen in breathe after dose of dairy rich drink (increase hydrogen present)
or given dairy to fasting patient and measure glucose level in 2 hours - glucose will remain low as It can’t convert to sugar as it lacks the enzyme.
What are the side effects of a PKU(phenylketonuria)
defiance?
found in infants - they lack the ability to digest phenylalanine - and its accumulation leads to severe brain damage and mental retardation.
How would you treat a baby with a +PKU screen?
diet very low in phenylalanine must be strictly followed.for minimal retardation.
what are the risk factors for gastric cancer?
chronic H pylori infection, eating foods high in nitrates (smoked or pickled), smoking and ETOH