Estimar a pressão pulmonar

Usefulness of right ventricular isovolumic relaxation time in predicting systolic pulmonary artery pressure
European Journal of Echocardiography 2008 9(4):547-554
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Conclusion: Measurement of rIVRT’ can help estimate sPAP in the absence of TR: A normal rIVRT’ excludes PAH with a high negative predictive value
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É isso, um TRIV direito menor que 40 ms exclui hipertensão pulmonar.