An arteriovenous malformation (AVM) is a tangle of blood vessels. It can develop anywhere in the body, but it presents the most risk when it occurs in the brain or spinal cord. An AVM can result in ...

Arteriovenous malformations (AVMs) are tangles of blood vessels that cause the atypical flow of blood between your veins and arteries. If they rupture, they may be life threatening. AVMs usually ...

Medically reviewed by Qin Rao, MD Symptoms of GI bleeding include stomach pain, vomiting blood, or having black, tarry ...

Three types of surgery can remove or reduce an arteriovenous malformation, a tangle of blood vessels that impede blood flow. An arteriovenous malformation (AVM) is a rare, noncancerous entanglement of ...

Warfarin is associated with higher rates of upper gastrointestinal (GI) bleeding but not overall or lower gastrointestinal bleeding rates compared with direct oral anticoagulants (DOACs), according to ...

Bleeding from the lower gastrointestinal (GI) tract shouldn't be seen as simply a manageable adverse effect of oral anticoagulation (OAC) for atrial fibrillation (AF). Rather, it's a red flag that the ...