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14 Cards in this Set
- Front
- Back
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Purpura
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red-purple discoloration > 0.5 cm
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What causes Purpura?
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intravascular defects, infection
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Petechiae
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red-purple discoloration < 0.5 cm
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What causes Petechiae?
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intravascular defects, infection
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Ecchymoses
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red-purple discoloration of variable size
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What causes Ecchymoses?
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vascular wall destruction, trauma, vasculitis
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Spider angioma
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red central body with radiating spiderlike legs that BLANCH with pressure to central body
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What causes spider angioma?
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liver disease, vitamin B deficiency
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Venous star
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bluish spider, linear or irregularly shaped; does NOT blanch
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What causes venous star?
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increased pressure in superficial veins
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Telangiectasia
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fine, irregular red line
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What causes Telangiectasia?
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dilation of CAPILLARIES
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Capillary hemangioma (nevus flammeus)
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red irregular macular patches
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What causes Capillary hemangioma?
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dilation of dermal capillaries
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