Chronic pulmonary embolism

Last revised by Mostafa Elfeky on 19 Jul 2021

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

Some publications suggest that V/Q scanning may be more sensitive 6,9 but less specific 9 than CTPA in detecting chronic pulmonary embolic burden.

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

Differential considerations on a CTPA include 5:

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