Table 1.

Causes of upper gastrointestinal bleeding

Peptic ulcer
Oesophagitis
Drug-induced mucosal damage (NSAID)	Ulcer
	Erosion
Traumatic or postoperative lesions	Mallory-Weiss lesion
	Arterio-intestinal fistula
Malignant tumor
Sequelae of portal hypertension	Oesophageal varices
	Varices of the gastric fundus
	Portal hypertensive gastropathy
Vascular anomalies	Dieulafoy lesion
	Gastric antral vascular ectasia (GAVE syndrome)
	Angiodysplasia
	Rendu-Osler-Weber syndrome (hereditary hemorrhagic telangiectasia)
Bleeding from the hepato-pancreatico-biliary system
Bleeding from a duodenal diverticulum

NSAID: Non-steroidal anti-inflammatory drugs.