Medications

GI bleeding up for new users of rivaroxaban

Rivaroxaban is associated with increased rates of gastrointestinal bleeding (GIB) compared with other direct oral anticoagulants, according to a study published online Oct. 12 in the Annals of Internal Medicine.

Cardiology

Omega-3 supplements could elevate risk of atrial fibrillation

Atrial fibrillation is the most common type of abnormal heart rhythm, causing the heart to contract irregularly and, sometimes, too quickly. It is estimated to affect 33 million people worldwide and can lead to blood clots, ...