International Journal of Angiology

3][4] Early diagnosis requires high index of suspicion.3][4] The incidence of CTEPH confirmed by right heart catheterization (RHC) is around 0.5 to 5% after a symptomatic episode of PE, and it is reported more frequent in history of recurrent PE. 4 Diagnostic Evaluation of Chronic Thromboembolic Pulmonary HypertensionThe diagnosis of CTEPH requires at least 3 months of effective anticoagulation, hemodynamic parameters for PH along with evidence of proximal or distal thromboembolic occlusion of the pulmonary vasculature. 5Diagnostic algorithm of CTEPH is shown in ►Fig. 1. Echocardiography is often used as first modality to detect PH for screening symptomatic patients at Keywords ► chronic thromboembolic…