Gastritis

1. Clinical Presentation

1.1. Acute

1.1.1. Asympotomatic

1.1.2. Abdominal Pain

1.1.3. Epigastric Pain

1.1.4. Bleeding

1.2. Chronic

1.2.1. Anorexia

1.2.2. Nausea/Vomitting

1.2.3. Epigastric Pain

1.2.4. Fullness

2. Diagnosis

2.1. Physical examination

2.2. H Pylori test, blood work

2.3. GI series xrays/CT scans

2.4. Stool Exam

2.5. Barium swallow exam

3. Treatment

3.1. Symptom management

3.2. antacids

3.3. H2 Blockers

3.4. PPI (proton pump inhibitors)

3.5. Change patient habits (modifiable risk factors)

3.6. Antibiotics for H. Pylori positive

4. Epidemiology

4.1. H pylori gastritis increases with age

4.2. Patient behavioral factors

4.2.1. stress

4.2.2. smoking

4.2.3. NSAID use

4.2.4. ETOH use

4.3. Occurs in those > 60y/o more frequently

5. Pathophysiology

5.1. Inflammatory response to gastric lining

5.1.1. stress

5.1.2. H pylori

5.1.3. autoimmune

5.2. Breakdown of mucosal protective barrier

5.2.1. ASA and NSAID over use

5.2.2. Alcohol and drug use

5.3. Erosion of gastric lining by stomach acid