a) Measurement of the peak tricuspid regurgitant velocity

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a) Measurement of the peak tricuspid regurgitant velocity a) Measurement of the peak tricuspid regurgitant velocity. b) Pulmonary regurgitant velocity at the start of diastole (PRVbd) and end-diastole (PRVed). c) Acceleration time (AT) measured across the pulmonary outflow tract in the parasternal short-axis view.... a) Measurement of the peak tricuspid regurgitant velocity. b) Pulmonary regurgitant velocity at the start of diastole (PRVbd) and end-diastole (PRVed). c) Acceleration time (AT) measured across the pulmonary outflow tract in the parasternal short-axis view. d) Right atrial pressure: M-mode during sniff manoeuvre. Luke S. Howard et al. Eur Respir Rev 2012;21:239-248 ©2012 by European Respiratory Society