Of the primary cardiac tumors, myxomas are the most common. However, right atrial myxoma may also occur. Left atrial myxoma occurs in approximately 5 out of 1,000,000 people. Myxomas are more common in women. Myxomas may also be associated with mitral stenosis or atrial fibrillation .
Prevention is unknown.
Awareness of risk can make early detection and treatment possible. Auscultation of the lungs may show crackles. Neck veins may be distended. An echocardiogram may show myxoma or mitral stenosis . An ECG may show atrial fibrillation .