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Illustration of the pulmonary artery pressure curve showing the significance of the pulmonary arterial time constant (RC-time). Adapted from Ross RVM, Toshner MR, Soon E, Naeije R, Pepke-Zaba J. Decreased time constant of the pulmonary circulation in chronic thromboembolic pulmonary hypertension. American Journal of Physiology - Heart and Circulatory Physiology. 2013;305(2):H259–H264.
