In this episode, we review how to calculate pulmonary artery pressures (PASP) on echocardiography. How does the simplified Bernoulli equation relate the velocity of flow through the tricuspid valve (tricuspid regurgitant velocity, V_TR) to the right ventricular systolic pressure (RVSP)? When is it permissible and not permissible to assume that PASP is equivalent to RVSP? How can the maximal tricuspid regurgitant velocity (V_max TR), maximal pulmonic regurgitant velocity (V_max PR), and end pulmonic regurgitant velocity (V_end PR) be used to calculate systolic, mean, and diastolic pulmonary artery pressure? What are five ways to calculate mean pulmonary artery pressure from non-invasive imaging? Tune in for answers to these questions.

Difficulty Level: Intermediate

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