Abstract
Background and purpose: Transesophageal echocardiography (TEE) is a relatively safe imaging
modality used to visualize intracardiac thrombus.
Summary of case: We report on a unique, fatal complication during TEE of embolization of a pre-existing “smoking” left atrial thrombus causing acute bilateral internal carotid occlusion, confirmed on angiogram.
Conclusions: Patients with history of lung pathology, such as COPD, who experience retching and cough
during transesophageal echocardiography may be more susceptible to embolization of pre-existing thrombi.
A need exists to risk stratify such patients.
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