A 41-year-old man was admitted with hemoptysis and a 10-year history of progressive exertional decline. He had a patent ductus arteriosus diagnosed in adult life that was unrepaired because of ...
Bluish skin discoloration (cyanosis) may affect your hands, feet, or entire body. Possible causes include heart, lung, and circulatory conditions, some of which are life threatening. Many conditions ...
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Causes of Blue or Purple Nails and When to Seek Help
If you have blue (or purple) fingernails, it’s often a sign that your blood is low in oxygen. Low oxygen, called cyanosis, may be due to numerous lung, heart, blood vessel, and blood cell disorders.
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