01 January 2015 by Paul Forfia

Pulsed wave Doppler signals from the RV outflow tract

Forfia {PR},Roberts {JD}.Diagnosis and assessment of pulmonary vascular disease by Doppler echocardiography. [Internet]. 2011 ;1:160. Available from:http://www.pulmonarycirculation.org/text.asp?2011/1/2/160/83446

Pulsed wave Doppler signals from the RV outflow tract. Panel A demonstrates a non-notched flow velocity envelope. Panel B is more triangular with a late-systolic notching pattern. Panel C has a pronounced mid-systolic notching pattern. The difference in the shape of the Doppler patterns is largely determined by differences in pulmonary vascular resistance, not PA pressure.


Additional keywords: doppler,hemodynamics,outflow tract

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