Figure 3From: Right ventricular adaptation to pulmonary pressure load in patients with chronic thromboembolic pulmonary hypertension before and after successful pulmonary endarterectomy - a cardiovascular magnetic resonance studyCurvilinear relationship between ventriculo-arterial coupling and EF. Once uncoupling between RV and pulmonary vasculature has occurred, the EF declines steeply.Back to article page