The histological presence of gastric muscosal inflammation

Aetiology

Most common causes -

• H. pylori infection
• NSAIDS
• Alcohol use

Other -

• Autoimmune gastritis

Risk factors:

All the causes above +

• Previous gastric surgery
• critically ill patients

PC

1. Presence of risk factors

2. Sx of gastritis:

• Dyspepsia
• Epigastric pain
• Nausea and vomiting