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Prolapsing Left Atrial Mass Presenting as Syncope

Presheet Pathare1, Michael Weyand1, Christian Heim1

  • 1Department of Cardiac Surgery, Friedrich Alexander University of Erlangen-Nuremberg, Erlangen, Germany.

The Thoracic and Cardiovascular Surgeon Reports
|July 22, 2022
PubMed

Insights

A large left atrial myxoma can cause syncope, a sudden loss of consciousness. Prompt diagnosis using non-invasive imaging is crucial for evaluating cardiac causes of fainting.

Area of Science:

  • Cardiology
  • Oncology

Background:

  • Myxomas are the most common primary cardiac tumors in adults.
  • Left atrial location is most frequent, often asymptomatic or presenting with heart failure symptoms.

Observation:

  • This case report details syncope caused by a large left atrial myxoma.
  • The tumor's size and location contributed to the patient's symptoms.

Findings:

  • Atrial myxomas can precipitate transient loss of consciousness.
  • Prolapse through atrioventricular valves or embolization are potential mechanisms.

Implications:

  • Cardiogenic syncope necessitates thorough evaluation for cardiac tumors.
  • Non-invasive tools like echocardiography and CT are vital for diagnosis.

Keywords:
myxomaneurological symptomtumor, cardiac imaging

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