Of the primary cardiac tumors, myxomas are the most common. Right atrial myxomas are very rare, occurring in about 1 out of 1,000,000 people. Myxomas are more common in women. Right atrial myxomas may also be associated with tricuspid stenosis and atrial fibrillation .
Prevention is unknown.
Awareness of risk can make early detection and treatment possible. Neck veins may be distended. An echocardiogram may show myxoma or tricuspid stenosis. An ECG may show atrial fibrillation Lab tests may be nonspecific. A CBC indicates anemia .