More information: Fuyan Ding et al, Methylene blue mitigates lung injury in HCA rats by regulating macrophage pyroptosis via Nrf2/HO-1 and NLRP3 pathways, Biomolecules and Biomedicine (2025). DOI ...

After her fingers turned blue, she underwent a battery of tests that revealed that Harper had thousands of tiny AVMs in her lungs. This impacted her ability to receive properly oxygenated blood ...

Blue baby syndrome is typically caused by abnormalities in the heart, lungs, or blood. Normally, after receiving oxygen from the lungs, blood is delivered from the heart to the rest of the body.

When a person has ARDS, fluid enters the lungs, making it difficult for people to breathe and get oxygen into their bloodstream. With a lack of oxygen, the skin and lips may turn blue or white.

and vagina or scrotum), this could mean all of the blood is blue and there could be a problem with the heart or lungs. More commonly, it's only certain areas -- like the hands, feet, or area ...

For three years, Harper Ryals needed oxygen because there were so many AVMs in her lungs that she couldn't get enough oxygen, which turned her skin blue. When Harper was born, she appeared to be ...