Phototherapy means to treat with light.
When sunlight penetrates the top layers of the skin, the ultraviolet radiation bombards the DNA inside skin cells and injures it. This can cause wrinkles, aging skin, and skin cancers. However, these same damaging effects can destroy the skin cells that form psoriasis patches.
Phototherapy for psoriasis can be given as ultraviolet A (UVA) light in combination with medications, or as variations of ultraviolet B (UVB) light with or without...
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Blood sample - capillary; Fingerstick; Heelstick Normal Values See the specific test. What abnormal results mean Results vary... Read more »
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A capillary sample is a blood sample collected by pricking the skin. Capillaries are tiny blood vessels near the surface of the skin. ... Read more »
Source: ADAM Encyclopedia
Blood sample - capillary; Fingerstick; Heelstick What the risks are Excessive bleeding Fainting or feeling light-headed ... Read more »
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The capillary nail refill test is a quick test performed on the nail beds to monitor dehydration and the amount of blood flow to tissue.Alternative... Read more »
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Blood sample - capillary; Fingerstick; Heelstick References Babar T, Skugor M. Endocrinology. In: Carey WD, ed. Cleveland Clinic:... Read more »