How does pulmonary embolus interferes with respiratory function?

Blocks blood. The pulmonary embolus blocks blood flow through the lungs, so blood cannot pick up oxygen or cannot be pumped through the lung. The bigger the embolus, the bigger the problem. Patients can die from a big enough embolus, such as a saddle embolus which blocks blood flow to both lungs at the same time.
Blood supply loss. A pulmonary embolus is mostly when a blood clot from the lower part of the body, gets loose, passes through the right side of the heart and lodges in one of the pulmonary arteries cutting off circulation to that part of the lung. This causes respiratory distress in relationship to how much of the blood supply is affected. This is an emergency and you should go to an er pronto.

Related Questions

How does a pulmonary embolus interfere with respiratory function?

PE. A pulmonary embolism occurs when a blood clot (or other material) traveling from some other part of the body obstructs the blood flow of the pulmonary artery or one of its branches. The blood in the pulmonary artery is low on oxygen and is traveling to the lungs to re-oxygenate. Since the clot prevents re-oxygenation, the cells in the body do not receive oxygen and they slowly start to die. Read more...
Blood flow. The pulmonary arteries are blocked by the clots shutting off blood supply to those areas of the lung. If enough blockage occurs cardiovascular collapse can occur and cardiac arrest. Smaller amounts of clot interfere with the normal matching of ventilation and blood flow to the air units - there is ventilation but no blood flow which impairs oxygen absorption and delivery. Read more...

Could breathing in dust lead to increased chances for a pulmonary embolism?

No. Pulmonary embolisms are the result of blood clots that form somewhere in the body and travel to the lungs. Inhaled dust does not affect this process. Read more...
Not an emboli. Pulmonary emboli is a clot in the venous system of the lungs. This usually comes from a clot formed somewhere else in the body that has traveled to the lungs. Dust can cause acute reactions or chronic reactions to the lungs leading to short or chronic lung issues. This depends on the type of dust and the amount inhaled. Size particles and the duration of exposure. Read more...

If my child is having difficulty breathing, could this be pulmonary embolism?

Probably not. Pulmonary embolism is rare in otherwise healthy children. Asthma or upper respiratory infections such as bronchiolitis or pneumonia are more common causes. Whenever a child is having trouble breathing, urgent medical attention is necessary. Read more...
It Depends. Children can develop pulmonary embolism, but if you have concerns about your child's health, it is best to see your pediatrician as soon as possible. I would suggest that an online forum is not the best place to get an answer for a potentially dangerous diagnosis. Read more...
Not Likely. Unless your child has multiple other serious medical conditions, then it is very unlikely for a child to have a pulmonary embolus. But if your child has conditions which predispose to pe, then please seek prompt medical attention if you are concerned. Read more...

I had a pulmonary embolism 3 weeks ago and my breathing is still not great what should I do?

Get checked. Be on the safe side and get checked again if you are still feeling bad, this can be dangerous. Tobacco multiplies risks of clots, strokes, and many other issues, so please focus on this as well. Read more...
Be careful. Take your medicine stop smoking lose weight get as mobile as you can- gradual exercize your lung was damaged but has good capacity to heal and recover with several months. Read more...
PE. It may take some time to return to normal after a pulmonary embolus (pe) depending on the location and size of the blood vessels involved. To be on the safe side, you should let your doctor know how you are feeling and double check that you are on the correct dose of blood thinner. Read more...

I had a pulmonary embolism in march 2012 and was intubated in icu...I continue to have tightness in my lungs upon deep breathing and pain in my back.

Pe. Likely due to residual discomfort from pulmonary embolus. The embolus causes an inflammatory reaction which could result in pain for a few weeks or months. Read more...
See a physician. After 1 year scar tissue may have developed or the original disease process needs t o be checked. See your physician and they probably will order a followup chest xray. Read more...