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what is nailfold video capillaroscopy

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Nailfold Capillaroscopy

Nailfold videocapillaroscopy (NVC) is a non-invasive diagnostic test that involves examining the small blood vessels (capillaries) located in the nailbeds of the fingers or toes using a microscope equipped with a video camera. It is commonly used to assess the health of the microcirculation and to diagnose certain conditions such as connective tissue disorders and scleroderma.

NVC is typically performed by a healthcare professional, such as a rheumatologist or dermatologist. The procedure is generally painless and only takes a few minutes to complete.

There are several reasons why NVC may be used:

  1. To diagnose or monitor connective tissue disorders: NVC can be used to diagnose conditions such as scleroderma, lupus, and rheumatoid arthritis by evaluating the capillary patterns in the nailbeds. It can also be used to monitor the progression of these conditions over time.
  2. To assess microcirculation: The capillaries in the nailbeds are part of the microcirculation, which is the circulation of blood in small blood vessels. By examining the capillaries, NVC can provide insight into the health of the microcirculation.
  3. To assess the effects of certain medications: Some medications, such as chemotherapy drugs, can have an impact on the microcirculation. NVC can be used to assess the effects of these medications on the capillaries.
  4. To assess the effects of other factors: NVC can be used to evaluate the effects of factors such as tobacco use, alcohol consumption, and high altitude on the microcirculation.

Overall, NVC is a useful tool for evaluating the health of the microcirculation and diagnosing or monitoring certain conditions. It is non-invasive, quick, and painless, making it a valuable tool for healthcare professionals.



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