Objective -To evaluate echocardiography accuracy in performing and obtaining images for dynamical threedimensional (3D) reconstruction. Methods -Three-dimensional (3D) image reconstruction was obtained in 20 consecutive patients who underwent transesophageal echocardiography. A multiplanar 5 MHz transducer was used for 3D reconstruction. ResultsThree-dimensional (3D) reconstruction of the heart through conventional 2DE imaging is a new technology with potential clinical applications.Reconstruction through transthoracic echocardiography is often limited in some patients by small number of acoustic windows and poor imaging quality. In addition, the device coupled to transthoracic transducer is too large and heavy to allow for proper handling during the exam, resulting in a great number of artifacts, which interfere with the analysis and with making the correct diagnosis.When transesophageal echocardiography (TEE) was first used clinically in 1980, a new window to the heart appeared. In 1986, Martin et al 1-3 used a micromanipulator for the TEE transducer for the 3D echocardiogram. Due to the high quality of images obtained by the transesophageal access, 3D reconstruction of the heart, using transesophageal imaging emerged as a promising technique that offers a stable site from which to obtain multiple images from several sections.Thus, the purpose of this study was to evaluate the feasibility of performing and obtaining images of good diagnostic quality using TEE for 3D reconstruction. MethodsImages for 3D reconstruction were obtained during routine transesophageal studies in 20 outpatients in sinus rhythm referred to our echocardiography laboratory. Patients with poor apical echocardiographic window (best plane for image acquisition), and those on atrial fibrillation (when it is difficult to gate to the R-R interval) were excluded. Topic anesthesia with lidocaine spray and slight sedation with intravenous midazolan were used.After 2DE with conventional Doppler was performed, a 5 MHz multiplanar transducer (Vingmed CFM 800) was used to obtain several images for 3D reconstruction. The echocardiograph was coupled to a 3D reconstruction system (Echoscan Tomtec GmbH).