Injury to body Flashcards

1
Q

definition of injury

A

damage caused by heat, cold, electricity, chemicals and radiation. synonymous with wound

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2
Q

mechanism of injury

A

impact, torsion, shearing, angulation, compression, traction, accel/decceleration

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3
Q

classification of injuries

A

sharp force, blunt force, ballistics

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4
Q

types of blunt force injury

A

abrasions (graze scratch), contusions (bruise), lacerations (cut, tear)

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5
Q

abrasions

A

superficial/partial thickness skin injury to epidermis. epidermal skin tags at edges, crushing from vertical force or scraping by tangential force. slight bleeding, heal quickly by scab, leave no scar

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6
Q

bruising is caused by

A

crushing of the dermal blood vessels by mechanical impact

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7
Q

contusion bruise

A

bruise to internal organs

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8
Q

interpretation of bruising

A

difficult if someone is on medication, age can affect, size doesn’t reflect severity, site of bruise is not always site of impact

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9
Q

lacerations caused by

A

impact against a flat surface, impact by an edge or pointed object, rotation of tissue on limb or torso, excess frictional or tearingforces

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10
Q

types of sharp force injuries

A

incised wounds or stab wounds

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11
Q

incised wounds are _____ than they are ______

A

longer than they are deep

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12
Q

lacerations characterised by

A

tissue bridges and rough edges, bruising sometimes

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13
Q

incised wounds characterised by

A

bleeding profusely, usually penetrates the full thickness of the skin, majority are knife wounds, clean cut, well defined margins, no bruising

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14
Q

incised wounds caused by

A

weapon or object with a keen or sharp edge

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15
Q

stab wounds are _____ than they are ______

A

deeper than they are long

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16
Q

stab wounds characterised by

A

bleeding profusely, usually penetrates the full thickness of the skin and underlying tissues, majority are knife wounds, clean cut, well defined margins, no bruising

17
Q

chop wounds characterised by

A

abrasions and or bruising of wound, incised edges, longer than it is deep, hybrid between sharp and blunt force injuries