EMTSoftTissue - Soft Tissue Injuries 1 Skin Anatomy and...

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1 Soft Tissue Injuries
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2 Skin Anatomy and Physiology Body’s largest organ Three layers Epidermis Dermis Subcutaneous tissue
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3 Skin Anatomy and Physiology Complex system, variety of functions Sensation Control of water loss Protection against microbes Temperature control
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4 Soft Tissue Injuries Closed Open
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5 Closed Injury Associated with blunt trauma Skin remains intact Damage occurs below surface Types Contusions Hematomas
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6 Contusion Produced when blunt force damages dermal structures Blood, fluid leak into damage area causing swelling, pain Presence of blood causes skin discoloration called ecchymosis (bruise)
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7 Hematoma “Blood lump” Larger blood vessel damaged Causes mass of blood to collect in the injured area Fist-sized hematoma = 10% volume loss
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8 With Closed Soft Tissue Injury How much blood is tied up in that injury rather than circulating in the vessels?
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