Transcription of ReView ARticle Imaging Artifacts in Echocardiography
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ReView ARticle Imaging Artifacts in Echocardiography
Downloadedfrom BhDMf5ePHKav1zEoum1tQfN4a+kJLhEZgbsIHo4 XMi0hCywCX1 AWnYQp/IlQrHD3i3D0 OdRyi7 TvSFl4Cf3VC4/OAVpDDa8K2+Ya6H515kE=on 12/30/2020 Downloadedfrom BhDMf5ePHKav1zEoum1tQfN4a+kJLhEZgbsIHo4 XMi0hCywCX1 AWnYQp/IlQrHD3i3D0 OdRyi7 TvSFl4Cf3VC4/OAVpDDa8K2+Ya6H515kE=on 12/30/2020 Copyright 2015 International Anesthesia Research Society. Unauthorized reproduction of this ARticle is 2016 Volume 122 Number 3 633 Copyright 2016 International Anesthesia Research SocietyDOI: are common during Echocardiography . An artifact is information contained in a displayed image that leads to an incorrect depiction of the true anatomy. The increased complexity in the interpretation of Artifacts has been part of the ongoing debate on the impor-tance of proper training and credentialing for ,2 For example, Artifacts in the ascending aorta occurred in 46% of patients with suspected aortic dissec-tions studied by transesophageal Echocardiography (TEE).
velocity of sound waves in the tissue. Differences in acoustic impedance cause reflections (echoes). Absorption The conversion of sound energy to heat as it travels through a medium. Attenuation The gradual loss of ultrasound energy as the wave propagates through tissue; it is caused by reflection, scattering, and absorption.
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