Transesophageal Echocardiography: A New Window to the Heart

Echocardiography Service
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But this technique does not work well for about 10 percent of patients.

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Transesophageal Echocardiography: A New Window to the Heart [Raimund Erbel, Bijoy K. Khandheria, Rüdiger Brennecke, Jürgen Meyer, James B. Seward, . Recent Technological Progress in Transesophageal Color Doppler Flow Imaging with Special Reference to Newly Developed Biplane and Pediatric Probes.

The resulting images are extremely poor. For all patients, it is very difficult to get good images of the back side of the heart and its upper left chamber with standard techniques, Dr.

Emerging Concepts in Transesophageal | FResearch

Fortunately, the esophagus happens to pass directly behind the heart on its way from the mouth to the stomach. The muscular tube is right next to the heart's upper left chamber. Patients undergoing the procedure are given an anesthetic spray and a mild sedative to ease any discomfort as the probe, half an inch in diameter, is inserted into the esophagus. Cables from the back of the probe are connected to an ultrasound machine. The probe is in for up to 20 minutes.

Because of its position behind the heart, the probe is particularly good for taking pictures of the mitral and aortic valves, structures on the left side of the heart that allow blood to flow out of heart chambers without backwash. Important Part of Surgery.

Transesophageal Echocardiogram

When such valves become narrow or leaky, physicians either replace or repair them. Delos Cosgrove, a leading heart surgeon at the Cleveland Clinic, said the trend has been toward repair.

Just before the surgeon begins the repairs, he looks at the valve in motion with the probe, Dr. Cosgrove said. Then blood is diverted into a heart-lung machine, the heart stops and the surgeon makes tucks or pleats in the valve. After the surgery, he said, the heart is started up again and the physician takes a second look at his handiwork.

About 8 percent of the time, Dr.

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Cosgrove said, the surgeon will decide that the repair is incomplete and will restop the heart and continue the operation until he is satisfied. The same approach is taken with surgery for congenital heart disease, Dr.

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The TEE Alternative Views module provides a learning environment where users can explore 19 non-standard but often used 2D TEE views using two visualization methods simultaneously: 1 a rotatable 3D heart model that includes an echocardiographic plane and 2 the associated TEE clip. The TEE Simulation module simulates the actions you can take to adjust the position of the TEE probe and the ultrasound plane, and shows you the resulting position of the ultrasound plane in relation to a 3D model of the heart.

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On only two occasions we were unable to perform the study due to lack of patient cooperation. TEE is useful for intraoperative monitoring of anesthetized patients and is used for patients in which TTE did not produce quality images. Similarly, intraoperative decision-making based on diastolic function classification in patients undergoing cardiac surgery has limited evidence to guide specific therapy. Rev Esp Cardiol, 54 , pp. Thanks for telling us about the problem.

This module demonstrates the assessment of structures using spectral Doppler during the standard 2D examination. The normal spectral waveform for each valvular and vascular structure is accompanied by an anatomical slice of a 3D heart model displaying the spectral beam alignment. Video clips indicate the useful 2D views for optimal Doppler alignment. The application of colour Doppler imaging is routinely performed over cardiac valves, vascular and other pathological structures to assess blood flow direction and velocity.

Be Heart Smart: What is the difference between an echocardiogram and a TEE?

This module demonstrates which structures should be viewed using colour Doppler during the standard 2D examination. Our pathology synopsis section is available for browsing on the iPhone. Menus Site Utilities.

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Contact Credits Site map. Virtual TEE website Introduction. Standard Views 3D module. Standard Views Guide.