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Vehicle extrication
Rix's ch. 28 cue cards
Question | Answer |
---|---|
What are rescue incidents? | involve the removal and treatment of victims from situations involving natural elements, structural collapse, elevation differences, or any other situation not considered to be an extrication incident |
What are extrication incidents? | invovle the removal and treatment of victims who are trapped by some type of man-made machinery or equipment |
What is the primary role of the fire department at a motor vehicle accident? | To help the rescue team extricate victims and to coordinate with emergency medical personnel providing first aid and police officers controlling the scene |
What is the golden hour? | The patient has approximately 60 minutes from the time of the incident until surgical intervention |
What must take place in the golden hour? | 1. Notification 2. Dispatch 3. Response 4. Scene stabilization 5. Vehicle stabilization 6. Patient extrication 7. Patient packaging 8. Patient transport 9. Stabilization in the emergency room 10. Surgical intervention |
What is the platinum 10 concept? | -Being able to remove the patient from the vehicle/entanglement and be enroute to a trauma centre within 10 minutes of our arrival on scene |
What three categories can safety be divided into? | -Rescue personnel safety -Scene safety -Patient safety |
What is rescuer safety composed of? | -Positioning responding unit to protect from traffic -Full PPE -Eye protection -Gloves -Helmet c/w shield -Traffic safety vest -Full duty gear |
What is scene safety composed of? | -hazard control -hand line at the ready -have fire extinguisher ready -traffic control -crowd control -control of other agencies |
What is patient safety composed of? | -Protect patient from harm while stabilizing the scene and vehicles -cover the patient as needed -someone should stay with pt, because of noise of extrication -provide pt with comfort and perform a complete primary survey |
What is the first priority at the scene of a vehicle collision? | rescuer safety |
What factors influence the size of the inner circle? | -number of patients -degree of entrapment -number and size of vehicles -other hazards |
What are things the rescuers should look for while doing a outer circle? | -Hazards -# of victims -Other potential problems |
Where are the power units kept? | the warm zone |
What happens in the cold zone? | -fire command -Tool staging -personnel staging -apparatus placement |
_______ touch a vehicel unless you are certain that the vehicle is ____ ________ by downed wires, _________ ______________ feeds, or sources | Never, not energized, underground electrical |
What should you have with you while approaching a vehicle? | -Have a charged hose line -CO2 or dry chem extinguisher ready |
What are the sides of a vehicle? | -Driver's side -Passenger's side -Front -Rear -Roof -Under Carriage -Inside -Outside |
What is the A, B and C posts? | -A post: either side of the windshield -B post: form the rearmost portion of the driver's doorframe -C posts: frame either side of the rear window |
What are the different types of collisions? | -Head-on collisions -T-bone collisions -Rear-end collision -Roll over -Rotational |
What are the different compartments of a vehicle | -Passenger -Storage -Engine |
What is the easiest way to gain access to the patient? | open the door |
What is the second easiest way to gain access to the patient? | glass removal |
What is the 5-10-20 rule? | -5" from the side -10" from the driver -20" from passenger |
What type of words designate an airbag? | -supplemental inflatable restraint -Air bag -SIR: supplemental inflatable restraint -SRS: supplemental restraint system -SIPS: side impact protection system -HPS: head protection system -IC |
At what speed must a car crash be in order for the airbags to activate? | 12mph |
What does the residue in the airbags become? | -sodium bicarbonate -Corn starch |
What is the main constituent of air bags? | -Sodium azide |
What side do you remove first when you are removing a battery? | the negative cable |
What do you use the electrical tape on? | both battery posts and cables |
What should you assess on an inner circle? | -number and condition of vehicles -Number of patients -Extrication needs -Hazardous conditions |
What are the 4 different options that can be used for disintenglement? | -Displacement -Distortion -Severance -Disassembly |
If a person has life threatening vital signs in a car accident what must be done? | "immediate release" by removing just enough material to get the patient out with as little movement as possible. The motto "life over limb" can be used here. |
What must you never do to test vehicle stability? | never shake the vehicle |
how do you get horizontal stabilization on a vehicle? | -Chock the wheels -Set emergency brake -Set vehicle to park |
How do you get vertical stabilization on a vehicle? | -use jacks -ropes -webbing -chains -cribbing |
What must you do prior to entry? | -Always stabilize prior to entry |
How high do you lift the car when chock cribbing? | 1 and 1/2 inches |
How high can the height of the finished crib be? | cannot be any higher than 3x the working length of the timbers |
What are the rules of thumb concerning wood cribbing? | -2 foot timber= 6 foot high crib max -Flat level base -Crib as you go -Do not place body part between crib and vehicle |
What are the two different types of motor vehicle glass? | -Safety glass -Tempered glass |
Where is safety glass used? | windshields |
How do you remove safety glass? | puncture the windshield and cut across the top and down the sides of the window |
What do you say before you break glass? | breaking glass |
How should rescuers approach vehicles? | at a 45 degree angle from the sides |
How high can the voltage be on electric cars? | 650V |
What are the emergency procedures of hybrid vehicles? | -hybrid vehicle identification -vehicle stabilization -access to passenger compartment -turn key OFF remove -Check that green light goes out -Disconnect 12-volt battery |
What are the different groupings of tools used in vehicle extrication? | -striking tools -prying tools -cutting tools -pushing/pulling tools -Supporting tools |
What are some striking tools? | -sledgehammers -mauls, picks -axes, mallets -hammers -punches -chisels |
What are some prying tools? | -crowbar -halogen -pry bar -claw tool -pry axe -flat bar -jack-all |
What are some cutting tools? | -chopping tools -Snippling tools -Saws -Knives |
What are some pushing/pulling tools? | -jack all -rescue winch -air lifting bag -holmatro: spreaders, ram, combi tool |
What are some supporting tool? | -air struts -wood cribbing -step-chucks -wedges -chains -ropes -webbing -anchor slings -jack all -come-along |
How much force can the homatro spreaders produce? | 220 KN |
How far can extension rams spread objects? | from 457-1524mm |
What air pressure does the air chisel operate between? | 100-150psi |
What are the principle parts of an air strut? | -the piston -the barrel -collar -base plate -tip -valve |
What are the specific safety procedures concerning pneumatic tools? | -do NOT use around flammable vapors -do NOT use when bit is in direct line of personnel -do NOT use O2 as a means to power the equipment |
What are the specific safety procedures concerning prying tools? | -do NOT use as striking tools -do NOT lengthen handles or otherwise modify |