Resumo

FRIPP, Gabriel. Syncope due to atrial myxoma: presentation of a clinical case. Rev.Urug.Cardiol. [online]. 2022, vol.37, n.1, e703.  Epub 01-Out-2022. ISSN 0797-0048.  https://doi.org/10.29277/cardio.37.1.13.

Cardiac neoplasms are divided into primary and secondary tumors, the latter are 30 times more frequent. Most are benign and within this group the atrial myxoma stands out. The clinical presentation is very variable in relation to its location, size and mobility, and the findings in the complementary tests are nonspecific. Since its natural history often goes unnoticed, the myxoma can culminate in atrial ventricular obstruction, ventricular outflow tract obstruction or even systemic embolism, causing severe symptoms such as syncope, heart failure and sudden cardiac death. Its clinical manifestation as syncope is quite common. The case of an 81-year-old male patient who consulted at the emergency department for syncope is presented, in which the atrial myxoma was subsequently identified as the etiology of the event during the further evaluation.

Palavras-chave : Atrial myxoma; Syncope; Cardiac tumors.

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