injuries of the extremities and pelvis€¦ · trauma is leading cause of death up to 40 years of...
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Injuries of the extremities and pelvis
Lukáš Dadák, ARK
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Statistic:
● Trauma is leading cause of death up to 40 years of age.
● 40% of injuries occur in traffic.
● Limb injuries account for about 50% of all injuries.
● Often underestimated blood loss and pain.
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Injury = trauma
● An injury (as a wound) to living tissue is caused by an extrinsic agent / force
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Limb:
● bones
● joints
● muscles, tendons
● nerves
● vessels
● skin
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Force
● direct
● indirect
● great force shortly
● low force for long time
● pathologic fracture= low force + sick bone
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Wounds - First Aid
● Minor injuries are disinfected and covered with a bandage.
● For major wounds:
– hemostasis
– immobilize the limb
– Do not extract foreign bodies from the wound.
– Shorten only if they prevent transport. (needle is not „foreign body“ = pull the needle)
– EMS transport to a medical facility.
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Glossary
● Contusion muscles, tendons, vessels,nerves
● distorsion, luxation joint
● fracture bone
INJURY
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Types of Fractures
● Closed x Open
● Stable x Unstable
● dislocated x nondislocated
● by origin: traumatic x pathological
Considerable force is needed to break a bone unless it is diseased or old
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Open fracture
● Broken bone ends can pierce the skin surface or wound over the fracture
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Closed fracture
● Skin is intact
● Bones may be displaced
● Damage to other internal tissues
● Internal bleeding, shock!
● FA – immobilize to an unaffected part of the body
● Transport to a hospital
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Stable fractures
● The broken bone ends do not move (incompletely broken, jammed together)
● Wrist
● Shoulder
● Ankle
● Hip
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Unstable fractures
● The broken bone ends can easily move out of position
● The bone is completely broken or the ligaments are torn (ruptured)
● Damage to blood vessels, nerves, organs!
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SIGNS AND SYMPTOMSSome or all:
● deformity = A visibly out-of-place or misshapen limb or joint, side by side differece in circumference
● intense pain at the site, crepitus (heard or felt)
● tenderness
● loss of power to limb
● Swelling [oedema] = longer circumference
● Bruising [suffusion]
● Numbness and tingling [anaesthesia]
● Broken skin with bone protruding
● Limitation or unwillingness to move a limb
● associated wound and blood loss …. SHOCK
● nausea, pale, cool, clammy skin; rapid, weak pulse
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Fractured Patella
CrepitusCrepitus - the sounds of bone ends clicking - the sounds of bone ends clicking or rubbing against each otheror rubbing against each other
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Blood loss during fracture
● ribs - 150 ml
● humerus - 500 ml
● forearm - 250 ml
● pelvis - 2000 (5000!) ml
● femur (diaphysis) - 1500ml
● shinbone - 650 ml
● in case of a complicated fracture to double
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Evaluation of circulation
● Nail blanch test (capilary refill test)
● Pulses
Impaired circulation
● Swolen, conjested limb
● Blue skin, painfull stretchingof skin
● Pale, waxy skin
● Tingling
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Evaluation of circulation
radial pulse posterior tibial pulse
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Fractures - First aid
● DRsABC
● In open fractures sterile wound dressing
● Do not move with an injured leg
● Do not correct
● Do not splint if EMS is available
– lower limb = 155
– upper extremity can be transported by car to the hospital.
● Do not eat, drink or smoke (fasting before possible surgery)
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Injuries of the pelvis
● Large blood loss (internal bleeding)= Shock, frequent injuries of the organs of pelvis minor
● Call EMS
● Do not change position
● Do not try to walk
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Immobilization
● Bandages:
– Immobilization of joints
– Arm sling
● Splints:
– Ladder
– Vakuum
– Rolled up blankets, magazines, clubs, bars ...
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Arm Sling
Support their bad arm Check for circulation
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Ladder Splint
a flexible splint consisting of two stout parallel wires with finer cross wires
RTG
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Vakuum splint
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● immobilizing one healthy joint above and below disability
● Underlay protrusions of bone (heel, knee, elbow) - prevent pressure sores, nerve damage
● splint, bandages, scarves, improvised parts of the clothing
Underlay the splint !!!
How to (out door)
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Upper extremity
● All fractures can be immobilized by securing the extremity to the chest.
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Lower extremity
● All fractures can be immobilized by securing the injured extremity to the opposite lower extremity.
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Tips and tricks – on the snow
● Unpin binding
● Do not remove the shoes, just allow powders
● Call the mountain rescue service
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Dislocation = luxation
● shoulder
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Dislocated joint
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Dislocation
● Joint injury = bones are partialy / completely pulled out of possition.
● strong force / mucle contraction
● Signs: deformity, severe pain, swelling, difficulty in moving.
● I.A.: Do not reposition. Prevent movement, Support. EMSDo not allow the person to eat (general anesthetic may be needed)
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Strains and sprains
● soft structures – ligaments, muscles, tendons.
● Tissues are stretched, twisted or torn by violent or sudden movements.
● Pain, tenderness, hematoma, difficulty moving. swelling, bruising.
● I.A.: Rest, Ice / cold compress CompressElevate
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Decollmant = rolling
● Undesirable separation of two or more physiologically and functionally conjoined structures.
Based on the extent and location immediately creates a subcutaneous hematoma.
● In the early posttraumatic period still does not hurt
● poorly perfused skin = pale.
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Crush syndrom = backfilling
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Crush syndrom
● Syndrome of backfilling; Syndrome of compression and contusion
● Cause: direct damage to the muscles and soft tissue = ischemia, leak of the fluid into the tissues; toxic substances from damaged tissues
● symptoms: soft tissue swelling, hypovolemic shock, renal failure
● I.A: rescue, treatment of hypovolemic shock, transport to a medical facility (EMS)
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Amputation, semiamputation
● loss of limb
● incomplete separation of limb
I.A:
● Stop bleeding on the injured limb
– Massive bleeding = arm, thigh = turnicet
– Finger, forearm = pressure bandage on the stump.
● EMS transport the patient to treatment
● Care about body part.
● Do not give false hope
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Stop bleeding
● tourniquet = exceptional cases only temporarily in case you need to gain time for applying the pressure bandage - risk of explosion, fire or other danger
● pressure bandage
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Body part – First Aid
● Not to hurt yourself!
● Do not forget and do not freeze, do not soak!
● Rinse dirt and pat dry well.
● Wrap it in wet gauze (+normal saline).
● Store in a plastic bag and close it carefully so that air is trapped inside, get the part of the fluid,
● All put into another bag with water and ice cubes
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Wet gauze X snow
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Correct procedure
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Replantation = after surgery
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A moment of inattention ...
● Hours of operation
● Weeks of rehabilitation
● Uncertain outcome
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● DO NOT forget that saving the victim's life is more important than saving a body part.
● DO NOT overlook other, less obvious, injuries.
● DO NOT attempt to push any part back into place.
● DO NOT decide that a body part is too small to save.
● DO NOT place a tourniquet, unless the bleeding is life threatening, as the entire limb may be placed in jeopardy.
● DO NOT raise false hopes of reattachment.
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Acute occlusion of limb arteries
● pain, limitation of sensibility / movement
● cold, pale skin
● missing pulsation
● extended Capilary Refill Time
I.A:
● sit, limb below
● Do not eat, drink or smoke
● EMS
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Literatura
● http://www.sja.org.uk/sja/first-aid-advice/first-aid-techniques/how-to-make-an-arm-sling.aspx
● http://www.sja.org.uk/sja/first-aid-advice/bones-and-muscles.aspx
●