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Fluid accumulation in the lungs occurs due to two reasons:

  • Cardiogenic reasons where the heart fails to pump the blood to the systemic circulation, leading to build up of blood in the pulmonary circulation, which eventually leads to increased hydrostatic pressure and causes the fluids to leak from the capillaries into the lung itself.
  • Non-cardiogenic reasons where severe infections for example, leads to the release of a huge amount of inflammatory agents, leading to large amount of fluids to escape from the capillaries since they increase the capillary permeability causing fluid buildup in the lungs


Fluid on lungs, or "Pleural effusion" could have several causative factors.Chest X-ray, ultrasound, chest CT, are all useful for your doctor for determining the cause. Thoracentesis, removing/examining some of the fluid is also used.Among the many possible causes are- TB- infections of fungal or parasitic nature- Malignancy- Pulmonary embolism,- rheumatoid arthritis,- abdominal disease (like Pancreatis)- congestive heart failure- liver diseases (like cirrhosis, Nephrotic Syndrome, Hepatic Hydrothorax)- and many othersHepatic Hydrothorax is more common on the right side.More informations can be found on the related links.

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โˆ™ 2013-03-27 15:53:51
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Q: What commonly causes fluid in the lungs?
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What causes fluid around the lungs?

pleural effusion, it is an overflow of liquid around the lungs

What is the medical term meaning fluid in the lungs?

pneumonia causes fluid in your lungsPulmonary edema

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how can you tell if you have fluid on your lungs

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Fluid in the lungs may cause a bubbling sound in the lungs. If the fluid is inside the lung it is pulmonary edema, if the fluid accumulates on the outside of the lung it is pleural effusion.

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Fluid in your lungs can lead to pneumonia, therefore, I would say that it should be looked into immediately.

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