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    Innovative Lung-Imaging Technique shows cause of Long COVID symptoms

    June 29, 2022, Categories  Health/Medical, Biology/Biotechnology

    Innovative lung-imaging technique shows cause of long-COVID symptoms
    By having study participants inhale polarized xenon gas while inside the MRI, the researchers see in real-time the function of the 300-500 million tiny alveolar sacs, which are responsible for delivering oxygen to the blood. Credit: Paulina Wyszkiewicz / Western University

    Many who experience what is now called “long COVID” report feeling brain fog, breathless, fatigued and limited in doing everyday things, often lasting weeks and months post-infection. Using functional MRI with inhaled xenon gas, researchers have now identified for the first time that these debilitating symptoms are related to microscopic abnormalities that affect how oxygen is exchanged from the lungs to the red blood cells.

    The LIVECOVIDFREE study, based at five centers across Ontario, and led by Western Universi...

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