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Comprehensive Textbook of Echocardiography
by Navin C NandaThis video clip showing two-dimensional transesophageal echocardiography. Color Doppler examination. In, the Nyquist limit has been standardized between 40 and 50 cm/s and is therefore kept in this patient at 46 cm/s. However, the color gain has been markedly reduced to 21 units. This has resulted in marked reduction in the area of tricuspid regurgitation (TR) signals (arrowhead) consistent with very mild regurgitation.
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