Primary aortoenteric fistula (PAEF) is spontaneous development of communication between the native aorta and anywhere within gastrointestinal tract. It extremely rare fatal condition which usually presents as a painless upper bleed. This often overlooked because it's rarity low index suspicion by physicians despite availability wide range diagnostic tools. Computed tomography angiography (CTA) ...

An 81-year-old male with a history of hypertension, hyperlipidemia, smoking, and peptic ulcer disease (PUD) presented with 2 episodes of maroon stools for 3 days and was found to be orthostatic. His PUD was thought to have accounted for a previous upper gastrointestinal (GI) bleed. A colonoscopy revealed 3 polyps and a few diverticuli throughout the colon that were considered to be the source o...

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...

Abdominal vascular catastrophes are among the most challenging and time sensitive for emergency practitioners to recognize. Mesenteric ischemia remains a highly lethal entity for which the history and physical examination can be misleading. Laboratory tests are often unhelpful, and appropriate imaging must be quickly obtained. A multidisciplinary approach is required to have a positive impact o...

Aortoenteric Fistula (AEF) is a rare and life threatening condition that has been challenging to diagnose and manage [1]. Early diagnosis and treatment is important to prevent fatal outcomes. While multiple diagnostic modalities have been used to help diagnose AEF, including upper endoscopy, aortogram, and Computed Tomography (CT) angiography; a high clinical suspicion and history remain of utm...