Dilated Blood Vessels in the Lung May Explain Low Oxygen Levels in Severe Cases of COVID-19
A new pilot study from the Icahn School of Medicine at Mount Sinai suggests that COVID-19 is causing significant dilation of the blood vessels of the lung, specifically the capillaries. This vasodilation is contributing to the very low oxygen levels seen in COVID-19 respiratory failure and also helps explain why the disease behaves differently than classic acute respiratory distress syndrome (ARDS). The study was published in the American Journal of Respiratory and Critical Care Medicine.
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