EC Chp 11 Scene Size Up Flashcards
Scene Size Up
Scene the size up
Steps taken approaching the scene of an emergency. Noting MOI and NOI
When within sight of the scene
- look for clues indicating hazardous materials - look for victims - look for smoke - look for broken utility poles - be alert for persons walking - watch for the signals of police
Danger zone
The area around the wreckage of a vehicle collision or other incident within which special safety precautions should be taken
When there are no apparent hazards…
consider the danger zone to extend at least 50ft in all directions of the wreckage
When fuel has been spilled how large is the danger zone?
extend it to a minimum of 100ft in all directions
When a vehicle is on fire how large is the danger zone?
extend it to a minimum of 100ft in all directions
What to evaluate for threat of violence?
- Fighting or loud noises
- weapons visible or in use
- signs of alcohol or other drug
use - unusal silence
- knowledge of prior violence
When wires are down how far is the danger zone?
the ambulance should be parked at least one full span of wires away from the poles to which broken wires are attached.
When hazardous material is invloved
check the emergency response guidebook (ERG) for suggestions on where to park. varies from 50ft to 2000ft. however always park upwind
BSI stands for?
Body Substance Isolation, Gloves, glasses, gowns
Mechanism of injury
force or forces that may have caused injury
- understanding forces can predict injury patterns
- can be very useful in predicting injuries associated with a MVC
Up and over collisions cause damage to what?
head, neck, chest and abdominal injuries
Down and under collisions cause what type of damage
Knee, hip and leg injuries
the 3 collisions in a MVC?
- vehicle striking an object
- patients body striking the interior of the vehicle
- Organs of the patient strike the surfaces within the body
Rear end collisions most common injuries?
Neck(most common), head, chest. and whiplash
side impact collision (broadside or T-bone) injuries?
head and neck, chest, abdomen, pelvis, thighs
Rollover collisions
most serious because of the potential for multiple impacts. Also frequently cause ejection
what happens with Rotational impact collisions?
cars that are struck then spin and often causes subsequent impacts.
Severe Fall heights for adult?
greater than 20ft
severe fall for a child under age 15?
greater than 10ft or more than 2-3 times the child’s height.
Low Velocity penetrating trauma items?
those propelled by hand such as knives
Medium Velocity wounds are usually caused by?
Damage directly from projectile with pressure related damage or cavation
Ex. handguns and shotguns or fully propelled arrows
High Velocity wounds caused by?
high powered or assault rifle
blunt force trauma
injury caused by blow that strikes body but does not penetrate skin or body tissues
- signs are subtle and easily over looked
Index of Suspicion
awareness that there may be injuries based on MOI
NOI Information can be obtained from ?
- The Patient
- Family members or bystanders
- The Scene itself
NOI Information can be obtained from ?
- The Patient
- Family members or
bystanders - The Scene itself
