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Which scenario indicates a higher suspicion of injury in a vehicle collision?
Which scenario indicates a higher suspicion of injury in a vehicle collision?
What mechanism of injury is most likely during a rear-end impact with an unrestrained occupant?
What mechanism of injury is most likely during a rear-end impact with an unrestrained occupant?
What does a deformed steering wheel suggest in a vehicle collision?
What does a deformed steering wheel suggest in a vehicle collision?
In a down-and-under pathway during a collision, which injuries should be anticipated?
In a down-and-under pathway during a collision, which injuries should be anticipated?
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What is the purpose of a properly adjusted headrest and seat belt in a vehicle?
What is the purpose of a properly adjusted headrest and seat belt in a vehicle?
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What primarily determines how energy changes direction and form upon impact?
What primarily determines how energy changes direction and form upon impact?
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What is considered the mechanism of injury (MOI) in the context of vehicle collisions?
What is considered the mechanism of injury (MOI) in the context of vehicle collisions?
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What happens during a body collision in a vehicle collision scenario?
What happens during a body collision in a vehicle collision scenario?
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Which of the following statements about organ collision is accurate?
Which of the following statements about organ collision is accurate?
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Why is understanding the mechanism of injury (MOI) critical for prehospital personnel?
Why is understanding the mechanism of injury (MOI) critical for prehospital personnel?
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What type of impact involves energy being absorbed as a vehicle strikes an object?
What type of impact involves energy being absorbed as a vehicle strikes an object?
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Which injuries should be suspected with an up-and-over pathway during a vehicle collision?
Which injuries should be suspected with an up-and-over pathway during a vehicle collision?
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What critical piece of information can indicate a high risk of injury in vehicle collisions?
What critical piece of information can indicate a high risk of injury in vehicle collisions?
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What factor does NOT affect the extent of injury in a vehicle-pedestrian collision?
What factor does NOT affect the extent of injury in a vehicle-pedestrian collision?
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Which statement about restraints is correct?
Which statement about restraints is correct?
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What causes primary injuries in blast incidents?
What causes primary injuries in blast incidents?
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Which of the following is a common characteristic of motorcycle collisions?
Which of the following is a common characteristic of motorcycle collisions?
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Which factor is NOT important for EMTs when determining patient transport?
Which factor is NOT important for EMTs when determining patient transport?
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In a lateral impact, which area might NOT be at risk for injury?
In a lateral impact, which area might NOT be at risk for injury?
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Which demographic group experiences different injury patterns in vehicle-pedestrian collisions?
Which demographic group experiences different injury patterns in vehicle-pedestrian collisions?
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What defines multisystem trauma in patients?
What defines multisystem trauma in patients?
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Which type of injury results from projectiles in a blast?
Which type of injury results from projectiles in a blast?
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Which of the following is a consequence of improper positioning of lap belts and shoulder straps?
Which of the following is a consequence of improper positioning of lap belts and shoulder straps?
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What term describes the injury patterns during rollover crashes?
What term describes the injury patterns during rollover crashes?
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What is the primary concern when managing traumatized patients?
What is the primary concern when managing traumatized patients?
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What can occur even without injury to the vertebrae when considering head and neck positioning in children?
What can occur even without injury to the vertebrae when considering head and neck positioning in children?
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Which situation would classify a patient as having RED criteria?
Which situation would classify a patient as having RED criteria?
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What is the first priority mentioned in the golden principles of prehospital trauma care?
What is the first priority mentioned in the golden principles of prehospital trauma care?
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In which of the following conditions should a trauma patient be transported to a trauma center?
In which of the following conditions should a trauma patient be transported to a trauma center?
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Which penetraing trauma location qualifies as RED criteria?
Which penetraing trauma location qualifies as RED criteria?
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What symptom indicates a patient does not meet RED criteria but still requires trauma center transport?
What symptom indicates a patient does not meet RED criteria but still requires trauma center transport?
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Which of the following scenarios indicates a need for airway management and adequate ventilation?
Which of the following scenarios indicates a need for airway management and adequate ventilation?
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What finding would classify a patient as potentially having RED criteria?
What finding would classify a patient as potentially having RED criteria?
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Which of the following accurately describes RED criteria related to external injuries?
Which of the following accurately describes RED criteria related to external injuries?
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What is the primary reason for rapid transport of severely injured patients?
What is the primary reason for rapid transport of severely injured patients?
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What role does a backboard serve for unstable trauma patients?
What role does a backboard serve for unstable trauma patients?
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When assessing a trauma patient, what is a common pitfall that should be avoided?
When assessing a trauma patient, what is a common pitfall that should be avoided?
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In Nina's scenario, what influenced the decision to transport the patient to the community trauma center?
In Nina's scenario, what influenced the decision to transport the patient to the community trauma center?
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Which statement best describes the importance of assessing the mechanism of injury (MOI)?
Which statement best describes the importance of assessing the mechanism of injury (MOI)?
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How do mass and velocity relate to trauma assessment?
How do mass and velocity relate to trauma assessment?
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What is one expected outcome for patients after initial stabilization at a community trauma center?
What is one expected outcome for patients after initial stabilization at a community trauma center?
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What aspect of trauma systems is crucial for severely injured patients?
What aspect of trauma systems is crucial for severely injured patients?
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Study Notes
Prehospital Emergency Care: Trauma Overview
- Kinetics is the branch of mechanics dealing with the movements of bodies. Understanding kinetics helps understand mechanisms of injury (MOI) and trauma.
- Analyzing the mechanism of injury is crucial in deciding if a patient needs immediate transport.
- Kinetic energy is calculated by mass multiplied by velocity. Velocity is the more important factor in determining kinetic energy.
Kinetics of Trauma
- The mechanism of injury (MOI) describes how a person is injured.
- Analyzing MOI is crucial for understanding injury.
- Examples of MOI include vehicle collisions, body collisions, and organ collisions.
- Vehicle collisions involve a vehicle hitting an object. A frontal collision involves the occupant continuing forward at the same speed the vehicle is traveling. In a rear collision, the head and neck are whipped back, possibly requiring an airbag deployment.
- Body collisions involve occupants hitting parts of the vehicle, such as the steering wheel or dashboard.
- Organ collisions involve organs hitting the inside of the skull, chest, or abdomen.
Case Study
- EMTs responded to a hunting accident where a 27-year-old man was accidentally shot.
- A police officer immediately applied direct pressure to the patient's thigh.
- The patient was combative and confused.
- Key priorities in managing such trauma patient include ensuring an open airway and breathing, stabilizing any injuries to the patient's body.
Trauma Patient Priorities
- Recognizing the extent of injuries in a trauma patient is critical when determining the appropriate course of action.
- Trauma makes up a significant percentage of prehospital calls.
Types of Impacts
- Three main types of impacts in vehicle collisions: vehicle collision, body collision, and organ collision.
- Impacts can have differing severities and lead to various types of injuries.
Mechanism of Injury
- Mechanism of Injury (MOI) is a suspicion, not an accurate assessment, of the extent of injury.
- Assessing a trauma patient for possible injuries is essential.
- Clues to the extent of injury involve: death of another vehicle occupant, altered mental status, intrusions over 12 inches, ejection from the vehicle.
- Injuries can involve the head, neck, chest, abdomen, pelvis, extremities.
Energy Changes and Interference
- Energy travels in straight lines unless it meets interference or change in direction.
- Interference with kinetic energy can cause changes in direction and form.
- Changes in acceleration and deceleration cause force changes.
Types of Blast Injuries
- Primary (pressure wave): air molecules slam into each other creating outward pressure wave; pressure injury
- Secondary (blast wave): superheated gases cause pressure waves, causing projectile injuries
- Tertiary: The blast wind causes the patient to be dislodged, leading to injuries.
- Quaternary/Quinary: exposure to hazardous chemicals or collapse of structures.
Fall Injuries
- Fall severity depends on distance, surface, and body part impacted first.
- A high fall can lead to head or spinal injuries.
- Feet-first falls can lead to lower-extremity injuries.
Penetrating Injuries
- Kinetic energy dictates the amount of injury(low, medium, or high).
- Low velocity examples include knives and defensive slash wounds.
- Medium/High velocity examples include firearms.
Trauma Triage
- Trauma triage criteria are used to determine the severity of injuries and determine whether transportation to a trauma center is necessary.
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Description
This quiz covers the basic principles of kinetics in relation to trauma and injury mechanisms. Understanding how kinetic energy and the mechanism of injury (MOI) are assessed is critical for emergency care providers. Various scenarios such as vehicle and body collisions are examined to highlight the importance of timely medical response.
