Deep vein thrombosis (DVT) and pulmonary embolism (blood clots in the lungs) are serious, yet often related, critical conditions. deep vein clots occurs when a thrombus forms in a deep vein, most commonly in the thigh. https://majastiv719608.shotblogs.com/grasping-deep-vein-thrombosis-and-pulmonary-embolism-53035225