👉 Thromboembolism is a condition in which blood clots, or "thrombi," form within the walls of blood vessels and travel through the bloodstream to enter tissues. This can occur when a blood vessel becomes blocked or damaged, causing it to become enlarged or inflamed. The clotting process may also be disrupted by the release of chemicals such as platelets from blood cells, leading to an increased risk of infection. Thromboembolism is often caused by cardiovascular disease