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Doctor insights on: Blue Fingernails

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Is it normal to get blue fingernails when having a raynaud's attack?

Is it normal to get blue fingernails when having a raynaud's attack?

Yes: The color changes in a raynaud's attack are "white" when the blood supply is decreased, then "blue" when the oxygen is mostly used up due to decreased blood flow being unable to bring in enough new oxygen, and finally "red" when the vessels relax and there is a reaction with an above-normal amount of blood flowing to the fingers. ...Read more

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Dr. Bennett Machanic
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Fingernails (Definition)

Fingernails are the hard coverings at the end of fingertips. Nails are made out of a protein called keratin. they function to protect the fingertip and to increase sensitivity of touch. Good hand hygiene and nail care is important to prevent bacterial ...Read more


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Do people with raynaud's always have blue fingernails?

Do people with raynaud's always have blue fingernails?

No : Only with nail polish! the fingers and nails may go through the red, white and blue cycle. Sometimes we miss it! ...Read more

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Dr. Bennett Machanic
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Why are my fingernails blue? They're not cold at all, just blue. Are blue fingernails always a sign of a heart problem? Pict >> http://goo.Gl/hsf6w

Cyanosis: Cyanosis often represents a low oxygen level, representing a cardiac or pulmonary problem. It merits the evaluation by a cardiologist or a pulmonologist. ...Read more

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My daughter has blue-ish fingernails and a low fever (100.1). Is this a concern?

My daughter has blue-ish fingernails and a low fever (100.1). Is this a concern?

Need more informatio: We can not really answer your question, we need more information as to how old she is, has she had any medical problem since she was born, does she have any other symptoms bluish nails need to be examined to make sure theseare blue, and if these are blue it can be due to cyanosis or some other causes and needs to be diagnosed.So check with your pediatrician or your family doctor. ...Read more

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Symptoms of hypoxia but normal s02?!; shortness of breath, blue nails, clubbing fingernails, pale/gray skin, tachycardia, fatigue, anxious. No anemia,

Symptoms of hypoxia but normal s02?!; shortness of breath, blue nails, clubbing fingernails, pale/gray skin, tachycardia, fatigue, anxious. No anemia,

Need ABG....: you need to get an arterial blood gas test (ABG) to see what your oxygen level is. There are many factors that could render a pulse ox test inaccurate. In order to get an accurate measure of your oxygen level, and to see if the pulse ox test is accurate or not, have your doctor order an ABG. The test can be done as an outpatient. Good luck!! ...Read more

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Dr. Bennett Machanic
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This morning i began shaking and my fingernails where blue. I wasn't cold. Feel better when setting?

This morning i began shaking and my fingernails where blue. I wasn't cold. Feel better when setting?

Variable: Blue means decreased blood supply. Do you have raynauds? Try warming them up and if they continue to be blue go to a doctor. ...Read more

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What can cause fingernails and toenails to turn blue?

What can cause fingernails and toenails to turn blue?

Possibilities: This could be from trauma (like bruising), vascular compromise (diminished blood flow), damaged nerves, or more specific conditions like raynaud's (usually associated with autoimmune diseases). Talk to your primary care physician first and a referral will most likely follow based on his/her findings. ...Read more

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Why do my fingernails turn blue after drinking water?

Is it cold: You probably have raynaud's. The hands change color when exposed to temperature change. ...Read more

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Can flu-like symptoms suddenly cause your fingernails to turn blue?

Not likely: Nails or skin under nails? I can not think of a way to change color of your nails, but skin under nails typically reflects amount of oxygen being carried by red cells. Bright red means full of oxygen and blue means depleted. Other disorders can also cause discoloration, but if new or associated with shortness of breath will need an explanation soon. ...Read more

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