chronic pulmonary embolism

Chronic pulmonary emboli are mainly a consequence of incomplete resolution of pulmonary thromboembolism.

Radiographic features

Nuclear medicine: V/Q scan

Some publications suggest that V/Q scanning may be more sensitive but less specificthan CTPA in detecting chronic pulmonary embolic burden.


Increased vascular resistance due to obstruction of the vascular bed leads to pulmonary hypertension.

Differential diagnosis

Differential considerations on a CTPA include :

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