Fingernails Turning Blue

Normally arterial blood is flush with these oxygenated cells making it appear bright red but when oxygen levels decline blood appears bluish red. In some cases there is a mild to severe pain in blue fingernail.

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Blue fingernails are caused by a low level or lack of oxygen circulating in your red blood cells.

Fingernails turning blue. Signs and symptoms of toenails turning blue blue nails. Caused by a decreased level of oxygen to the tissues cyanosis can indicate poor lung function hampered circulation or compromised cardiac output. This low level of oxygen in the blood results in the skin or the membrane beneath the skin turning a bluish colour or sometimes even purple.

In addition when a person is not getting enough oxygen delivery through the blood it is also possible for highly vascular areas like the fingernails fingertips or lips to take on a bluish hue. Individuals who have moments when the beds of their fingernails turn blue are experiencing a symptom referred to as cyanosis. Medically speaking blue fingernails are caused by hypoxaemia an abnormally low level of oxygen in the blood.

Blue fingernails can be the result of hypoxemia an abnormally low amount of oxygen carrying hemoglobin within red blood cells. It occurs when there isnt enough oxygen in your blood making the skin or membrane below the skin turn a purplish blue color. When a persons hands are cool it is possible for these blood vessels to constrict causing the nails to become more pale or even take on a bluish hue.

In most cases lack of oxygen is the reason for the toenails turning blue. This condition is known as cyanosis. First symptom a person starts noticing is the color change in their nails.

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