Gastrointestinal bleeding scans are extremely useful for localizing the source of gastrointestinal bleeding before interventional radiology procedures. It is essential that physicians understand the numerous possible pitfalls when interpreting these scans. Understanding the potential causes of false-positive scan interpretation eliminates unnecessary procedures for the patient and minimizes cos...

Acute lower gastrointestinal bleeding is a major problem worldwide, being a rare and life threatening condition, with a mortality rate situated between 2 and 4%. Acute lower gastrointestinal bleeding is solvent for 1 - 2% of the entire hospital emergencies, 15% presenting as massive bleeding and up to 5% requiring surgery. Lower gastrointestinal bleeding can be classified depending on their loc...

BACKGROUND Capsule endoscopy is a first line examination to evaluate obscure gastrointestinal bleeding. The identification of factors associated with the detection of lesions by capsule endoscopy could improve resource utilization and patient selection. OBJECTIVES To identify factors associated with positive capsule endoscopy findings in patients with obscure gastrointestinal bleeding. METH...

Primary aortoenteric fistula (PAEF) is a rare but clinically important cause of catastrophic gastrointestinal bleeding. "Herald bleeding" is a characteristic symptom which refers to specific case of upper gastrointestinal bleeding that stop temporarily spontaneously and then proceeds to massive bleeding. We present the case report of a 55-year-old male with PAEF who was admitted due to upper ga...