Pulmonary Embolism - Analysis Pulmonary embolism is diagnosed by using a computed tomography pulmonary angiogram which includes the injection of the dye into the blood vessel prior to the scan is taken. Summary Soon after operation, ideal arm swelling diminished in addition to a pulmonary embolus to the lung was averted. https://sgvasculargrp.com/medical-condition/deep-vein-thrombosis/