Pulmonary embolism occurs when a clot blocks the blood vessels of the lung occluding its blood supply. Pulmonary embolism results in damage to lung tissue causing chest pain, shortness of breath, dizziness, or passing out. Pulmonary embolism usually occurs in combination with blood clots in the leg veins (DVT). Worldwide, there are approximately 10 million cases every year.
Emboli are fragments of anything (usually a blood clot) that is carried away from one part of the body to another part through the route of blood. Depending upon their size they have a tendency to lodge in a suitable blood vessel. Not all pulmonary emboli are clinically significant. This is due to their small size that they never come to our notice so in 95 % of the cases they are silent that is showing no symptoms at all.
Some emboli are clinically significant due to their large size and obstructing blood flow to a large area of the lungs.
Usually occurs in people which have an increased tendency to form clots in the body due to various predisposing conditions.
The most common cause of pulmonary embolism is due to fragmented clots from the deep vein of legs normally called as deep vein thrombosis. They travel up through the bloodstream and reach the lungs vasculature by passing through the heart.
The symptoms are due to complete or partial occlusion of the blood vessel of the lungs, that causes
Severe cases occur when large emboli go to the lungs affecting more than 60% of the total blood supply to lungs. It can lead to
Along with the specific treatment of the underlying cause like cancer, mobility issues, supportive as well as preventive measures are also required: –
Pulmonary embolism can cause death in 0.3% of the cases. Some cases with pulmonary embolism developed right-sided heart failure leading to persistent shortness of breath. Rarely people can develop high pressure in the lungs, leading to pulmonary Hypertension.
Pulmonary embolism comes with a high economic burden to society due to high medical costs as well as the disability-related loss of income to the patients. Prevention becomes very important because pulmonary embolism is one of the most common reasons for preventable death worldwide. Prevention focuses on measures to reduce the risk of developing DVT.
This post was last modified on July 27, 2023 5:27 am
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