Week 10a: Elimination GI Disorders Flashcards
Mallory-Weiss tears
longitudinal tears at the esophagogastric junction caused by chronic alcoholism or occur during acute illness with vomiting
what is the primary cause of PUD?
H.pylori
what are 3 tests used to detect H.pylori?
- blood test
- breath test
- stool test
S & S of gastric ulcers
- pain increases after eating
- anorexia
- weight loss
- hematemesis
S & S of duodenal ulcers
- pain is relieved by eating, usually occurs 3-5 hours after eating or commonly at midnight
- appetite is good or normal
- may have weight gain
- melena
Goals of pharmacological treatment of PUD and GERD
- neutralize gastric acid
- reduce gastric secretion
- increase mucosal defences
what is the preferred treatment for short term therapy of GERD and long-term therapy of PUD
PPIs
General side effects of PPIs
- indigestion
- diarrhea
- nausea
- vomiting
- abdominal pain
- flatulence
PPI side effects: malabsorption of nutrients?
- B12, folate and iron
- Calcium (prolonged use increases the risk for osteoporosis)
- Magnesium (Hypomagnesemia can lead to arrhythmias )
Cimetidine and rantididine are examples of
H2 receptor blockers
Lansoprazole, omeprezole and pantoprazole are examples of?
PPIs
which antacids cause constipation?
calcium and aluminum
which antacid causes diarrhea?
magnesium
contraindications of antacids?
- severe renal failure
- electrolyte imbalance
- severe cardiac disorders
- Pregnancy (Category C)
mechanical or paralytic intestinal obstruction
strangulation with necrosis of the bowel may occur and lead to perforation, peritonitis and sepsis