2024年11月14日 · If you have blue or purple fingernails or nail beds, it may be due to a lack of oxygen in your blood, also known as cyanosis. Cyanosis can result from exposure to cold temperatures, certain lung and heart conditions, circulation problems, issues with …

2023年4月10日 · Blue fingernails, or cyanosis, occur when your blood doesn’t have enough oxygen. It is most often caused by cold temperatures. Occasionally, it can be caused by medical conditions.

2023年1月12日 · There are several reasons your nails could be blue, including heart conditions. Sometimes a heart murmur will cause blue nail beds. When a health-care provider listens to your heart and hears a certain swooshing sound, it’s an indication that the blood is flowing through the heart abnormally.

Blue fingernails or purple nail beds can be a sign of various disorders and should be investigated. In the case of Raynaud’s disease, the fingers and toes blanch on exposure to cold, then turn blue and may become numb or painful.

2022年10月17日 · Cyanosis is when your skin, lips and/or nails turn a bluish tone. It occurs when your blood lacks the oxygen it needs to reach the different tissues in your body. Cyanosis can be caused by many different conditions. Some may be serious medical conditions. Diagnosis and treatment depend on the cause. Oxygen therapy is usually a first treatment.

2021年4月22日 · Blue nails may indicate that the blood is not carrying enough oxygen to the fingertips. There are many possible causes, including heart and lung diseases. Anyone with blue nails should seek...

2022年5月30日 · Among the various abnormalities in the nails that indicate an indwelling illness in a person is the presence of blue nails. It usually indicates that the fingertips are not getting the adequate amount of oxygen through the blood.

2024年6月5日 · One of the most common causes of yellow nails is a fungal infection. As the infection worsens, the nail bed may retract, and nails may thicken and crumble. In rare cases, yellow nails can...

2024年4月26日 · Cyanosis is a medical term for bluish discoloration of the skin and nails. It occurs when there is too little oxygen circulating in your blood. It's especially noticeable in areas where many...

Cyanosis refers to a bluish-purple color of the skin. It is most easily seen where the skin is thin, such as the lips, mouth, earlobes and fingernails. Cyanosis means there may be decreased oxygen in the bloodstream. It may suggest a problem with the lungs or heart. Cyanosis is a finding based on what is seen, not by a laboratory test.