A pericardial effusion occurs when a significant amount of fluid fills the pericardial space. Individuals without pericardial effusion have a small amount of pericardial fluid (15 mL to 50 mL), which ...

A 58-year-old woman presents to the hospital reporting fatigue, swelling of the legs and feet, and shortness of breath. She explains that her symptoms have been getting worse over the past 2 months.

Unlike synovitis, the presence of joint effusions on MRI among patients with hand osteoarthritis (OA) was not associated with pain or progression, Dutch researchers reported. Pain in a specific joint ...

Pleural effusion, sometimes called water on the lung, is a buildup of fluid between the lungs and the chest cavity. It can result from pneumonia, heart failure, cancer, and other conditions. Pleural ...

Pericarditis is inflammation of the sac around the heart, called the pericardium. If pericarditis becomes chronic, it can lead to pericardial effusion. This is when the pericardium fills with fluid.