32)overview of haz mat and mci
TRANSCRIPT
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Overview of HazMat and Mass Casualty Incidents
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Overview of HazMat
• Hazardous Materials• Any substance capable of
creating harm to:• People• Property• Environment
• Types• Explosives –Gases
–Flammable/combustible liquid Flammable solids –Oxidizing substances Poisonous/Infectious substances –Radioactive substances Corrosive substances –Miscellaneous hazmat
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General Info
• Common problem• Actual extent unknown• Safety is primary
concern• Providers
• EMT-B and crew• Pt• Public
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Approaching the Scene
• Identification• Occupancy• Containers –size/shape• Placards• Shipping papers
• “Bill of lading”- Road transport• “Way Bills” – Transport by rail • Usually in cab of truck • Chemical name, transport name, ID numbers
• Senses• Material Safety Data Sheets (MSDS)
• -1st. Aid, Decontamination, routes of exposure, S/S• protective equipment, past med Hx. Complications
• Pts at the scene• Multiple pt with same S/S suggests exposure
• i.e Nausea, vomiting, SOB, unresponsiveness
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Approaching the Scene
• General procedures• Park upwind and uphill• Keep unnecessary people away• Isolate area
• Keep people out• Do not enter without proper equipment and SCBA
• Local Resources• Local HazMat response teams• CHEMTREC = 1-800-424-9300• Hazardous Materials, The Emergency Response Handbook
• Published by US DOT
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HazMat Zones
• Hot Zone• Where the hazardous material is
spilled• Only trained individuals/appropriate
clothing• Warm Zone
• Transmission zone• Where decontamination occurs• Control point between Cold and Hot
zones• Suitable training and clothing
• Cold Zone• “Clean zone”• Where pt are brought for EMS
assessment prior to transport• Staging supplies and command
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Treatment
DecontaminationHazardous Material
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HazMat Decontamination
• Mechanical Removal• Clothing Removal• Rinsing• Dilution• Absorption• Chemical Washes• Disposal/Isolation
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MCI: Classification
• Multiple/Mass Casualty Incident• A situation in which the needs is more
than the initial responding personnel and equipment can meet
• Open Incident• Easy access to victims from different
locations • May be spread over a large area
• Closed Incident• Physical/geographical barriers that
prevent speedy access to victims • Active
• Forces that contributed to the disaster are still active
• On going risk to rescuers, public, victims
• Contained• Forces responsible for the disaster
are exhausted
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Incident Management Systems
• What are they?• Organized system of roles, responsibilities, and
standing operating procedures to manage emergency operations.
• What do they do?• Provides orderly means for communication and
information for decision making • Makes interactions with other agencies easier
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Incident Management SystemsStructure
• Command• Mobile site near the MCI• Overall command of the incident is
coordinated • Extrication
• Coordination of personnel/resources during extrication
• Triage• Initial triage occurs at pt side• Pt relocated to “secondary triage”
• Treatment• Organized sector where major field
treatments are administered • Priority treatment may start at the side of pt
before transport• Transportation
• Responsible for overall transport of supplies, equipment, personnel, pt, other resources
• Staging• Area where ambulances stage to receive pts
and assignment of receiving hospital• Supply
• Area where supplies are stockpiled • Rehabilitation
• Area where care is given to rescuers • Physical and psychological support are
offered
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Incident Management SystemsDocumentation
• A major event log• # of pts• Conditions and triage categories• Vehicles at scene• Personnel at scene• Hospital availability • # of individuals transported • Hospital disposition• Mode of transport
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Initial Roles of Responders
• Rescuers will be assigned specific duties within one of the sectors
• Upon arrival• Report to sector officer
• Once assigned a specific task
• Complete it • Report back to sector
officer
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Triage
• Heroic resuscitative efforts NOT appropriate• Too much time• Requires equipment used for salvageable patients• Staffing intensive
• Concentrate on salvageable patients
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MCI Procedures
• Est. type of incident • Determine specific location and ID best access routes• 1 EMT approaches scene and determines:
• Estimates # of pt• Estimates injury types• If incident is open/closed and active/contained
• 2nd EMT stays with ambulance and determines:• Possible staging areas• Traffic routes into area
• Both EMTs should ascertain • Approx # of pts• Specific location of incident• Whether incident is open/closed and active/contained• Need for special resources • # of additional ambulances needed• Potential dangers to public safety and personnel
• IMMEDIATELY relay this info to communications center
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MCI Procedures Cont’d
• Most knowledgeable EMT on scene initially assumes Triage Officer• Request additional help• Perform initial assessment of all pts
• START Triage• Assign available personnel/equipment to critical pts• Secondary Triage
• In depth assessment of pt• In treatment area OR en route to ER
• Pt transport is based on:• Prioritization• Destination facilities• Transport resources
• Triage officer remains in scent to:• Assign/coordinate: Personnel, equipment, vehicles
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Triage Stages
• 1st Stage• No treatment is rendered • Victims are tagged with
tape/cards • Category of injury• Likelihood of survival
• 2nd Stage• Begins after removal of pt and
transport to safer area• More thorough assessment • Recategorized by priority • Collection point of all pts• Ensure appropriate treatment
and transport• ALS procedures
• 3rd Stage• Certain specific cases • Creation of field hospital on
site• ALS procedures
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START Triage
• “Simple Triage and Rapid Treatment”• Technique for quick primary triage • Assesses:
• Ability to walk• Respirations• Pulse• Mental Status
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START Triage:Minimal Treatment
• Only THREE patient interventions are:• Open the airway Open the airway• Stop gross bleeding • Safe patient positioning
• Shock position• Recovery position
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START Triage Procedure
• Walking• Walking pt= “Walking Wounded” = Green• Remain in location OR• Walk to treatment area
• Breathing (open airway)• If absent = Dead/Dying = Black• Rate less than 10 or greater than 30 = Critical = Red
• Pulse/Perfusion• If absent= Dead/Dying = Black• No radial/Present Carotid= Critical = Red • Radial and Carotid present= Assess mental status
• Mental Status• Ask pt to perform two simple tasks
• Motor = Lifting arm• Mental= Stating name, day, year
• If they can do both = Delayed = Yellow• If they fail one = Critical = Red
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Radial Pulse Absent
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Pt CategorizationMinor
• Green- Hold Priority • Definition
• Pt with minor injuries• Injuries of an
ambulatory nature • Pt Diagnosis
• Minor fractures• Minor wounds• Burns less than 10%
BSA• No airway problems
• Psychological problems
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Pt CategorizationDelayed
• Yellow- Delayed Priority • Definition
• Pt requiring care but whose condition will not worsen with prompt (vs. immediate) transport
• Pt Diagnosis • Burns• Multiple/major fractures• Spinal cord injuries• Uncomplicated head
injuries
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Pt Categorization Immediate
• Red- Immediate Priority • Definition
• Critical pt wit life threatening conditions who have a chance to survive with early stabilization and transport
• Require hospital care within 1 hour
• Pt Diagnosis • Airway/Respiratory difficulties• Sever burns• Cardiac problems• Uncontrollable/severe
hemorrhage • Open chest/abdominal wounds• Severe head injury• Severe medical problems• Shock • AMS
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Pt CategorizationDeceased
• Black- Deceased • Definition
• Pt found without signs of life
• Obvious mortal injuries
• Pt Diagnosis • Pt who have expired• Pt with injuries
incompatible with survival
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Patient 1
• Airway open• Respirations 20 bpm• Radial pulses present• Minor abrasions to arm/hands• Pt is walking
• Green
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Patient 2
• Airway is open• Reparations 30• Singed nasal hairs noted• Absent radial pulses• Unable to walk
• RED
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Patient 3
• Airway open• Respirations 22• Radial Pulses Present• Follows commands• Cannot walk• Burns to one arm
• Yellow
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Patient 4
• Unresponsive• Airway closed• No respirations with jaw thrust • Absent radial pulses
• BLACK
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Patient 5
• Pt responsive• Airway open• Respiratory rate 36• Thready radial pulses• Unable to walk• Flail chest noted
• RED
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Patient 6
Unresponsive No respirations after jaw thrust Thready radial pulse Open femur fracture
BLACK
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And so it finally ends…Welcome to EMS
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Random Humorous EMS Sites
• Murphy’s Laws of EMS• http://www.uvm.edu/~jbettenc/ems1.htm• Rules of EMS• http://www.thelunatick.com/ems/rules.html• You Might be in EMS if…• http://www.thelunatick.com/ems/mightbe.html• Realistic Trauma Scores• http://www.thelunatick.com/ems/trauma_scales.htm• The Memo• http://www.thelunatick.com/ems/memo.htm• EMT Buff Test• http://www.thelunatick.com/ems/ems_buff_test.htm
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