Pulmonary Edema - Describe Your Experience

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What is pulmonary edema?

Edema, in general, means swelling. This typically occurs when fluid from inside blood vessels seeps outside the blood vessel into the surrounding tissues, causing swelling. This can happen either because of too much pressure in the blood vessels or not enough proteins in the bloodstream to hold on to the fluid in the plasma (the part of the blood that does not contain any blood cells).

Pulmonary edema is the term used when edema happens in the lungs. The immediate area outside of the small blood vessels in the lungs is occupied by very tiny air sacs called the alveoli. This is where oxygen from the air is picked up by the blood passing by, and carbon dioxide in the blood is passed into the alveoli to be exhaled out. Alveoli normally have a thin wall that allows for this air exchange, and fluids are usually kept out of the alveoli unless these walls lose their integrity.

Picture of the alveoli and lung
Picture of the alveoli and lung

Pulmonary edema occurs when the alveoli fill up with excess fluid seeped out of the blood vessels in the lung instead of air. This can cause problems with the exchange of gas (oxygen and carbon dioxide), resulting in breathing difficulty and poor oxygenation of blood. Sometimes, this can be referred to as "water in the lungs" when describing the condition to patients.

Pulmonary edema can be caused by many different factors. It can be related to heart failure, called cardiogenic pulmonary edema, or related to other causes, referred to as non-cardiogenic pulmonary edema.

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See what others are saying

Comment from: Redwood, 25-34 Male (Caregiver) Published: September 29

Our 27-year-old son just died of pulmonary edema and aspiration. He had had two previous episodes of pneumonia, both requiring stays in the ICU for five days each. The second time, they told him he had most likely had pneumonia for several days and he thought it was bad seasonal allergies. We knew his lungs and heart were compromised because of these previous episodes, so chest pains, followed by sweating, plus heavy snoring at night should have been a clue. However, when you are 27, you think you are invincible. He was wrong. Get checked out!

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Comment from: Trivedi, 65-74 Male (Patient) Published: August 24

Thank you very much. These informative articles have helped us a lot. The water pill did the job. Since we are in a remote place the information was like a life saver.

Was this comment helpful?Yes

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