Detection of pulmonary hypertension, Biology

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Pressure calculation made using the Bernoulli equation may be used  in conjunction with pressure measurements made by other modalities to determine various intracardiac pressure.

A)  Right ventricular pressure may be determined by measuring the peak velocity of a regurgitant jet through an incompetent tricuspid valve and applying the  following formula:

RV  systolic Pressure = 4V2  + 10 rnmHg

Note:  10 mmHg is an assumed value for mean right atrial pressure. An alternate approach to the quantitation of right atrial pressure  is assessment of the jugular venous pulse.


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