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what causes hemoptysis in pulmonary embolism and how long last?

2 doctor answers4 doctors weighed in
Dr. Michael Dugan
Specializes in Hematology
The clot: In the embolic process ends up in the very small blood vessels in the lung adjacent to the air sacs where gases are exchanged. Some of the clot ends up in the small airways and then is coughed up. It should improve as the body stabilize with treatment of the pe.
Dr. Kevin Nolan
Vascular Surgery 35 years experience
Hemoptysis in PE: Or the coughing up of blood comes from the breakdown of the damaged lung tissue. The embolism blocks the lung tissues supply of nurishment and oxygen, the lung tissue breaks down and bleeds. How long it lasts depends on how big the injury is.

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Last updated Aug 23, 2019
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