Others

Other causes of lower GI bleeding include:

• Radiation injury
• Meckel’s diverticulum
• Other small bowel pathology
• Solitary rectal ulcers
• Portal colopathy
• Prostate biopsy sites
• Dieulafoy lesions
• Endometriosis
• Colonic varices

Ten to fifteen percent of patients with an apparent lower GI bleed will, in fact, have an upper GI source for their bleeding (see image below) [6].

Learning bite

Bleeding oesophageal varices or peptic ulcer disease can present with fresh blood PR.