GI-2 Flashcards
(10 cards)
Most common sites of peptic ulcers
duodenum and stomach
Increases risk of peptic ulcer
hyperacidity, smoking, reflux of bile acids, NSAIDS
how does smoking increase risk of peptic ulcer?
Reduces gastric mucosal blood flow
How does H. pylori neutralize gastric acid?
produces enzyme urease which converts urea to ammonia
Increases risk of stomach cancer
H. pylori
Management of GERD and PUD
reduce acid secretion
Decreased stomach motility
gastroparesis
Most common cause of gastroparesis
diabetic, idiopathic, postsurgical
altered autonomic neural regulation of motility
loss of intrinsic cells of Cajal
gastroparesis
Vomiting reflex involves ____
Abdominal muscles, diaphragmatic contraction, gut smooth muscles (for reverse peristalsis)