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is a break or disruption in the continuity of a bone |
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break extends across the entire bone, dividing into two separate pieces |
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bone only breaks partway across |
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Bone is splintered on one side, but only bent on the other side |
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most common fracture in children |
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The bone does not break through the skin |
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Closed or simple fracture |
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Fragments of the broken bone break through skin |
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Open or compound fracture |
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open fractures have _ grades of severity |
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least severe injury, with minimal skin damage |
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moderately severe injury, with skin and muscle contusions (bruises) |
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most severe injury (wound larger than 6 to 8 cm), with skin, muscle, blood vessel, and nerve damage |
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Caused by either repeated or prolonged stress |
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Occurs because of a pathologic condition in the bone, such as a tumor or disease process, that causes a spontaneous break |
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most common fracture in young and middle adults |
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most common fracture in older adults |
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A bone begins to heal as soon as an |
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consolidation and remodeling |
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bone healing is affected by |
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location and severity of the fracture, type of bone, other bone pathology, blood supply to the area, infection, and the adequacy of immobilization, age, endocrine disorders, drugs affect healing |
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from contamination of the open wound associated with a fracture or from contamination of indwelling hardware used to repair the broken bone |
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When infection is inadvertently brought by surgery or other treatment, it is known as |
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Local pain, redness, purulent wound drainage, chills, and fever |
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foul-smelling watery drainage with significant redness and swelling |
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Fat globules released from marrow of broken bone into bloodstream, then migrate to the lungs |
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fat embolism common with fractures of the |
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long bones, multiple fractures, and severe trauma |
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first sign of fat embolism |
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tachycardia, tachypnea, fever, confusion, and decreased level of consciousness |
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treatment for fat embolism |
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bedrest, gentle handling, oxygen, ventilatory support, and fluid restriction and diuretics for pulmonary edema |
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contribute to the formation of blood clots |
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Venous stasis, vessel damage, and altered clotting mechanisms |
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Serious complication from internal or external pressure on the affected area |
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compartments involved in compartment syndrome |
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enclosed spaces made of muscle, bone, nerves, blood vessels wrapped by fibrous membrane |
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when bleeding or edema occurs r/t compartment sydrome there is nowhere for drainage to go so it is |
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primary symptoms of compartment syndrome |
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pain that can't be relieved with opioids |
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other s&s of compartment syndrome |
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edema, pallor, weak or unequal pulses, cyanosis, tingling, numbness, paresthesia, and finally, severe pain |
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the goal of treating compartment syndrome |
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entails making linear incisions in the fascia |
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loss of blood leading ot shock is evidenced by |
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tachycardia; anxiety; pallor; and cool, clammy skin |
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Joint fractures or dislocations may be followed by |
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stiffness or contractures |
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Expected healing time is appropriate, but unsatisfactory alignment of bone results in external deformity and dysfunction |
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Failure of a fracture to heal in the expected time |
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Occurs when a fracture never heals |
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methods to treat nonunion fractures |
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osteogenic, osteoconductive, osteoinduction, electric stimulation |
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implantation of bone grafts |
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synthetic materials to provide a matrix for bone growth |
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substances such as platelet-derived growth factor |
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most vulnerable to posttraumatic arthritis |
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Once bone cells are deprived of oxygen and nutrients, they die and their cell walls collapse |
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Pain, instability, and decreased function in the affected area |
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Complex Regional Pain Syndrome Type 1 sypmtoms |
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Severe pain at the injury site despite no detectable nerve damage, edema, muscle spasm, stiffness, vasospasms, increased sweating, atrophy, contractions, and loss of bone mass |
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Precipitated by a fracture or other trauma |
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Complex Regional Pain Syndrome Type 1 (CRPS—Type 1) |
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Symptoms persist longer than expected with the type of injury suffered |
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Complex Regional Pain Syndrome Type 1 (CRPS—Type 1) |
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treatment for crps type 1 |
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Definition
Nerve blocks; physical therapy; transcutaneous electrical stimulation; and analgesics,antiseizure drugs,antidepressants, and alpha-1 adrenergic agonists Non-opioid infusions, |
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swelling, bruising, pain, tenderness, loss of normal function, abnormal position, and decreased mobility |
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The process of bringing the ends of the broken bone into proper alignment |
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Nonsurgical realignment that returns bones to their previous anatomic position |
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Closed Reduction or Manipulation |
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An attempt to attach the fragments of the broken bone together when reduction alone is not feasible because of the type and extent of the break |
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internal fixation uses _ to align bone fragments and keep them in place for healing |
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Rods, pins, nails, screws, or metal plates |
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Pins are inserted into the bone, above and below fracture |
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plaster of Paris, fiberglass, thermoplastic resins, thermolabile plastic, and polyester-cotton knit impregnated with polyurethane |
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Four main groups of casts: |
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(1) upper extremity, (2) lower extremity, (3) cast brace, and (4) body or spica cast |
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hip and knee contractures, muscle spasms and alignment of hip fractures |
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Weight used during skin traction should not be more than _ to prevent injury to the skin |
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Provides a strong, steady, continuous pull and can be used for prolonged periods |
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Examples of skeletal traction are |
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Gardner-Wells, Crutchfield, and Vinke tongs and a halo vest |
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complications of traction |
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Impaired circulation, inadequate fracture alignment, skin breakdown, and soft tissue injury |
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can occur with skeletal traction |
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Pin track infection and osteomyelitis |
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traction weights must always hang |
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A properly fitted crutch should reach to _ to avoid pressure on the axilla and nerves when walking |
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three fingerbreadths below the axilla |
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Two-point gait Three-point gait Four-point gait Swing-to gait |
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Used for support and balance, usually by older adults |
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Provide minimal support and balance, and relieve pressure on weight-bearing joints |
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canes are placed on the _ side with the top even with the pt's _ |
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unaffected, greater trochanter |
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essential nutritional elements for bone healing |
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protein; calcium;and vitamins B, C, D |
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between meal supplemental feedings |
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high in calories, protein, and calcium |
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affected hip in a hip fracture must not be adducted or flexed more than _ |
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A break in the distal radius (wrist area) |
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Severe weight-bearing fracture may require a |
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pelvic sling, skeletal traction, double hip spica cast, or external fixation |
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absence of urin may indicate a |
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