GIT_Disorders_Flashcards
Name the common gastrointestinal disorders.
Peptic ulcer, nausea and vomiting, constipation, hypomotility disorders, inflammatory bowel diseases.
What are the regulators of gastric acid secretion?
Acetylcholine, histamine, gastrin.
What protects the gastric mucosal defense?
Mucin layer, prostaglandin, and prostacyclin.
What causes peptic ulcers?
Imbalance between mucosal defense and gastric acid secretion.
Name three causes of decreased mucosal defense.
Chronic NSAID use, chronic H. pylori infection, stress.
What condition increases gastric acid secretion (HCL)?
Zollinger-Ellison syndrome.
What are common symptoms of peptic ulcers?
Recurrent abdominal pain, vomiting, loss of appetite, heartburn.
Name complications of peptic ulcers.
Hemorrhage, perforation, obstruction, malignant transformation.
Name the treatment strategies for peptic ulcers.
Acid suppressive therapy, mucosal protective therapy, antacids, H. pylori therapy.
Examples of H2-receptor antagonists.
Cimetidine, ranitidine, famotidine.
Examples of proton pump inhibitors (PPIs).
Omeprazole, lansoprazole, pantoprazole.
Name a prostaglandin analog used in peptic ulcer.
Misoprostol.
What combination is used for H. pylori therapy?
Two antibiotics and an acid-suppressive drug.
What is the mechanism of vomiting classified by?
Based on the cause and pathways.
Name drug classes used as antiemetics.
5-HT3 receptor antagonists, dopamine receptor antagonists, antihistamines, anticholinergics.