While it can be located in the right atrium or the ventricles, the most common location for a cardiac myxoma is the left atrium. The tumor can grow large enough to obstruct mitral valve inflow ...

Platypnea occurs in settings including pulmonary arteriovenous malformations (hepatopulmonary syndrome) and left atrial myxoma ... who do not undergo aortic valve replacement is 2, 3 and 5 ...