A left atrial myxoma is a benign tumor that is relatively rare; however, it can have significant clinical implications. A cardiac myxoma is the most common tumor originating from the heart ...

Approximately 75% of primary tumors are benign and 50–75% of these are atrial myxomas. The benign tumors include rhabdomyomas, fibromas, papillary fibroelastomas, hemangiomas, pericardial cysts ...

Platypnea occurs in settings including pulmonary arteriovenous malformations (hepatopulmonary syndrome) and left atrial myxoma. The classic triad of symptoms from aortic stenosis is dyspnea on ...