Imaging the heart through a transducer introduced into the esophagus is

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Transesophageal echocardiography is the specific imaging technique that involves introducing a transducer into the esophagus to visualize the heart. Pericardiocentesis is a procedure to remove fluid from the sac that surrounds the heart. Electrocardiography measures the electrical activity of the heart. Ultrasound is a general term for imaging using high-frequency sound waves and is often used in transesophageal echocardiography.

Imaging the Heart Through a Transducer Introduced into the Esophagus