7 DSA Flashcards
Chagas disease can look like
Primary achalasia but with cardiomyopathy and GI dx
What causes Chagas
Parasite = trypanasoma cruzi
In what kind of ulcer do we see a decrease in acid
Gastric
When do we see pain or symptoms with a gastric ulcer? Duodenal?
0.5 to 1 hr; 3-5 hr
What increases the likelihood of gastric ulcers
NSAIDs, ETOH, tobacco
What is found with duodenal ulcers
Increased acid secretion and pain 3-5 hours after eating
Which type of ulcer is most associated with H. pylori
Duodenal
What are some other types of ulcers
Cushings - secondary to intracranial lesion; Curlin - secondary to severe burns
What is often associated with ZES
MEN1
What is not a useful scan for ulcers
CT
What does HIDA do
EF of the GB <38% biliary dyskinesia
What are some alarms in dyspepsia
Unintential weight loss, progressive dysphagia, odynophagia, unexplained iron deficiency anemia, persistent vomiting, palpable mass or lymphadenopathy, family history of upper GI cancer
Gastritis is damage to ______ while gastropathy is damage to _________
Mucosa; epithelium
What happens physiologically with achalasia
- impaired peristalsis
- incomplete LES relaxation during swallowing
- elevation of LES resting pressure
What causes achalasia
- denervation of myenteric plexus
- loss of NO synthase and VIP
