Fingers are reddened
If your fingers are reddened this is good news. It means that you have no problems related to the oxygenation of your blood. Your heart and blood circulation are healthy.
Fingers become pale or cyanotic
If your fingertips become pale or cyanotic (meaning they have a bluish discoloration) you probably have blood circulation problems. This happens because there are low oxygen levels in your red blood cells or because you have problems getting oxygenated blood into your body.
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