Witnessed Embolization of a Right Atrial Mass During Transesophageal Echocardiography*: Implications Regarding the Safety of Esophageal Intubation

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A patient with chronic lung disease and a right atrial density that was difficult to distinguish on a transthoracic echocardiogram underwent transesophageal echocardiography (TEE) that demonstrated two mobile masses attached to the anterior right atrial wall.During the TEE procedure, the patient experienced coughing and retching due to the esophageal intubation, and the embolization of one of the right atrial masses was observed. This case is the first to document this mechanism of pulmonary embolism (a mechanism that was suspected in two prior reports), and it questions the safety of procedures that induce retching and coughing in patients with mobile right atrial masses.

(CHEST 1999; 115:1462-1464)

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