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18 Cards in this Set
- Front
- Back
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Rash
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any abnormal change in skin color or texture
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macule
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a small (<1cm) skin discoloration in the level of the skin, neither raised nor depressed, and therefore non-palpable
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patch
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a macule that exceeds 1 cm in size
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papule
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a small (<1cm) palpable, raised, solid, flat skin spot
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plaque
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a broad (>1cm) papule
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vesicle (blister)
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a small (<1cm) circumscribed, fluid-filled elevation within upper skin layer (epidermis). It has a thin wall and is often translucent
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bulla
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a vesicle that exceeds 1 cm in size
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pustule
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a pus-filled vesicle
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nodule
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a palpable collection of solid tissue in the skin, less that 1 cm in size. Nodules may arise from the skin or tissues under the skin, and may be above, level with, or below the skin surface.
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induration
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a localized hardening of the skin
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erythema
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skin redness that affects a localized patch (>1cm) of the skin, and is due to inflammation of the skin, like in sunburn, systemic lupus erythematosus, erythema nodosum, etc. Erythema results from dilation and constriction of skin capillaries.
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petechia
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a small (<3mm) red or purple bruise. It does not blanch on applying pressure.
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eczema
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a localized area of inflamed skin that is red, scaly, and covered with vesicles or crusts. It is a result of allergic or non-allergic response to skin irritation.
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Hyperemia
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temporary skin redness due to increased blood flow in a particular skin or mucosal area
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pallor
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skin paleness due to decreased blood flow in skin vessels due to their narrowing. Possible causes are anemia, low body or external temperature, dehydration, low blood pressure, stress, tumors secreting excessive amounts of cortisol or adrenalin, or medications.
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bruise
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an accumulation of blood under the skin, when vessels in the skin or underskin tissues are broken, but skin remains intact. A bruise is first red, then blue, and finally a greenish/yellow.
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ecchimosis
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a small (but >1cm) flat purplish bruise beneath the skin (or mucosa)
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purpura
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a small (3mm-1 cm) purplish bruise. It does not blanch on applying pressure.
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