Figure 3. Apical four chamber view with continuous waver Doppler interrogation across the tricuspid valve. The Peak Velocity is 5.14m/s. The estimated pressure gradient between the RT atrium and RT ventricle is 105.53 mmHg. Adding to this the right atrial pressure will give the estimated pulmonary artery systolic pressure

From

A Very Uncommon Case of Pulmonary Arterial Hypertension

Jehad Azar, Ali Varasteh, Daniel Iltchev, Mona Soliman, Victor Baez, Basel Altaqi

American Journal of Medical Case Reports. 2019, 7(5), 79-86 doi:10.12691/ajmcr-7-5-2