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MVA Safety and MVA Safety and Principles of Principles of ExtricationExtrication
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PREPARATIONPREPARATION
Proper TrainingProper Equipment for the conditions and
situation
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RESPONSE TO THE SCENERESPONSE TO THE SCENE
Follow all Dept. response policiesRemember, this is NOT your emergency.
You have been called to assist someone else.
If we can’t arrive safely, we are no help.Be preparing mentally enroute to the call.
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SCENE ASSESSMENT SCENE ASSESSMENT AND HIGHWAY AND HIGHWAY
SAFETYSAFETY
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Warning on-coming traffic– Set-up appropriate warning devices such as
flares, strobes, traffic cones well ahead of accident scene
At least 400’ before the accident Don’t use flares in cold, foggy conditions!!
– Request additional units if necessary
Protecting the Scene– Park apparatus in a “defensive position”– Your engine is the best road block
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DON’T BECOME A VICTIMDON’T BECOME A VICTIM
Dozens of Firefighters and EMT’s die every year across the U.S.A. while operating at MVA’s.
Never turn your back to on-coming trafficAlways remain in radio contact with person
doing traffic controlAlways leave yourself a way out.
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Scene HazardsScene Hazards
A 360 must be completed prior to any A 360 must be completed prior to any other activities being performed.other activities being performed.– Downed Downed Power LinesPower Lines– Unstable Structures and vehiclesUnstable Structures and vehicles– Hazardous MaterialsHazardous Materials– Other?Other?
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OTHER ASSESSMENTOTHER ASSESSMENT
Victims outside vehicles (ejection) Hot and Cold zones around accident Size-up before beginning activity “READ THE WRECK” Additional Resources? Full protective equipment a must!! Set-up Tool Staging Area (Engine Operator or per
dept. SOP’s) Supplemental Safety Systems
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Supplemental Restraint Supplemental Restraint SystemsSystems
Air Bags – Deployed or not? Location?– Front Impact Bags – Do Not put yourself between
undeployed bag and patient.– Side Impact Bags – Normally curtain type from ceiling
or side of seat mounted. Cylinder for systems normally in A, B, or C post. Avoid!! Pull off trim to expose and identify location before cutting.
– Rear seat bags – Newer high end cars.– NO universal marking system. Most, however use
SRS, HPS, IC, SIPS, or “Airbag”.
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Static Electricity can cause air bags to deploy.
Remember the 5-10-20 Rule:– 5” away from side air bags– 10” away from steering wheel air bags– 20” away from front passenger air bags
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Air Bag Deactivation Times – Cutting the battery cables doesn’t always work! The system can still hold a charge! Vary depending upon make, model of vehicle. Some older vehicles can hold a charge for up to 20-30 minutes.
Battery locations – Vary based upon make, model. Batteries can now be found under hood, in the trunk, in the wheel well, and behind the rear seat.
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Hybrid VehiclesHybrid VehiclesAvoid ORANGE wires – They are part of
the high voltage system!Turn off ignition and remove key to render
car safe.Remember, the SILENT CAR. It may be
running and can move even if you don’t hear it!
High voltage systems are very safe.
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Seat Belt Pre Tensioning
Seat Belt Pre-Tensioner systems – Designed to pull back seatbelt upon impact in coordination with airbag system. A part of the total SRS system.
Normally found mid-height or near the floor in the door post. Contains an explosive charge similar to shotgun shell. Avoid cutting into this as it may go off.
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SUPPORT OPERATIONSSUPPORT OPERATIONS
LightingLighting– SceneScene– Extrication AreaExtrication Area– Patient AssessmentPatient Assessment
Helicopter LZ – Review LZ set-up and Helicopter LZ – Review LZ set-up and video (optional)video (optional)
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GAINING ACCESSGAINING ACCESS
Hand Tools – Types of hand toolsPower Tools - Types of Power toolsNormal Means – Unlocked or open doors
and windows, “Try before you pry”Alternate Means – Front and rear windows,
locked doors and windows
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EMERGENCY CAREEMERGENCY CARE
Patient Assessment – 90 second survey. Determine ALS vs. BLS and Rapid extrication vs. routine. – Upgrade early, upgrade fast.– MOI??
Coordination with extrication personnelPatient Immobilization
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DISENTANGLEMENTDISENTANGLEMENT
Coordinate with EMS personnel regarding route of removal.
STOP, LOOK, THINK, PLAN OF ACTION, ACT
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Disentanglement techniques– Door Removal– Roof opening and removal– Seat Displacement– Steering Wheel Cutting– Steering Wheel Displacement– Pedal Displacement– Dash Roll-up
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Remember, Remember, when performing when performing
extrication operations on a extrication operations on a vehicle, vehicle, for every action, for every action,
there is a Reaction.there is a Reaction.
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REMOVAL & TRANSFERREMOVAL & TRANSFER
Assisting with Victim Removal– Coordinated– Be Prepared– Good Communications– Transfer of pt. Care– Proper documentation and pictures (if possible)
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TERMINATION OF TERMINATION OF INCIDENTINCIDENT
Scene Clean-up– Inventory equipment– Check equipment function– Place apparatus back in service– Decon all equipment as necessary per
department SOP’s
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