A ventilation/perfusion (V/Q) lung scan is performed early in the diagnostic pathway to differentiate those patients with CTEPH from those with other forms of pulmonary hypertension. In CTEPH, the V/Q ...

A diagnosis of PE required confirmation by a segmental or larger ventilation/perfusion mismatch on a nuclear lung scan or an intraluminal filling defect by pulmonary angiography. VTEs were classified ...

Chronic thromboembolic pulmonary hypertension occurs in a proportion of patients with prior acute pulmonary embolism and is characterised by breathlessness, persistently raised pulmonary pressures and ...