Pulmonary Embolism - Prognosis Pulmonary embolism is diagnosed by means of a computed tomography pulmonary angiogram which involves the injection of a dye in the blood vessel before the scan is taken. This delay is often unsafe, as DVT can cause significant problems which include pulmonary embolism, Serious venous insufficiency https://sgvasculargrp.com/medical-condition/deep-vein-thrombosis/