Chapter 33 | Head, Neck, and Spine Trauma Flashcards
• Understanding the anatomy of the nervous system, head, and spine • Understanding skull and brain injuries and emergency care for skull and brain injuries • Understanding wounds to the neck and emergency care for neck wounds • Understanding spine injuries and assessment and emergency care for spine injuries • Understanding spinal motion restriction issues and how to immobilize various types of patients with potential spine injury
Define:
TBI
(abbreviation)
traumatic brain injury
Define:
ICP
(abbreviation)
intracranial pressure
List:
types of TBIs
4 points
- concussion
- contusion (coup/contrecoup)
- laceration
- hematoma
(TBI is traumatic brain injury)
List:
types of cranial hematomas
3 points
- subdural hematoma
- epidural hematoma
- intracerebral hematoma
Describe:
primary characteristic of scalp injuries
profuse bleeding
lots of blood vessels
Explain:
effects of closed head injuries on ICP
(and what that does)
pressure inside the skull increases the brain is compressed against the skull
pressure reduces perfusion to vital brain structures
List:
symptoms of abnormal ICP
(Cushing’s triad)
- widened pulse pressure
- low HR
- irregular RR
(ICP is intracranial pressure)
Define:
Cushing’s triad
(and the 3 parts)
three symptoms commonly associated with abnormal intracranial pressure (ICP)
(includes widened pulse pressure, low HR, and irregular RR)
Define:
ataxic respirations
pattern of irregular and unpredictable breathing commonly caused by brain injury
irregular pauses and increasing periods of apnea
Define:
central neurogenic hyperventilation
pattern of rapid and deep breathing caused by injury to the brain
Define:
Cheyne-Stokes breathing
distinct pattern of breathing characterized by quickening and deepening respirations followed by a period of apnea
Define:
temporal bones
bones forming part of sides of skull and floor of cranial cavity
Define:
concussion
mild closed head injury without detectable damage to the brain
complete recovery is usually expected (but effects may linger)
Define:
contusion
(TBI)
bruised brain caused by force of a blow to the head that is great enough to rupture blood vessels
Define:
laceration
(TBI)
a cut to the brain
(TBI is traumatic brain injury)
Define:
hematoma
(TBI)
a collection of blood within skull or brain
(TBI is traumatic brain injury)
Define:
herniation
pushing of a portion of the brain downward toward the foramen magnum
result of increased ICP
Fill in the blank:
Herniation typically occurs as a result of [BLANK].
Herniation typically occurs as a result of increased intracranial pressure (ICP).
List:
components of GCS (and max scores)
3 points
- eye response (4)
- verbal response (5)
- motor response (6)
Define:
air embolism
bubble of air in bloodstream
Answer:
How could a patient with a neck wound get an air embolism? What could you to do prevent/treat this?
air could be drawn into the bloodstream through the wound to a major vessel (like carotid artery or jugular vein) due to negative pressure
there is no applicable treatment if it happens, but it could be prevented with occlusive dressing over wound
air embolisms occur when air bubbles enter the circulatory system
Define:
pulmonary air embolism
blockage in blood circulation of lung caused by blood clot or air bubble in blood vessel
Define:
spinal motion restriction
limiting movement of spine to prevent additional injury
List:
indications for leaving helmet in place
4 points
- helmet fits snugly (allows little movement within helmet)
- no impeding airway/breathing problems
- removal would cause further injury
- proper spinal immobilization can be done
List:
indications for removing helmet from patient
4 points
- helmet interferes with ability to assess/manage airway and breathing
- helmet allows excessive head movement
- helmet interferes with proper spinal immobilization
- cardiac arrest is present
Identify:
process by which the brain is compressed toward and through the foramen magnum
herniation
Choose:
The purpose of spinal motion restriction is to prevent movement of individual:
A. muscles.
B. joints.
C. vertebrae.
D. tendons.
C
Fill in the blank:
The [BLANK] is the only movable part of the face.
The mandible (jaw) is the only movable part of the face.
hinged at its posterior aspect to allow for functions (talking/chewing)
Which of the following statements about an epidural hematoma is true?
A. Patients with epidural hematomas may present similarly to those with subdural hematomas.
B. Unlike subdural hematomas, which occur rapidly, epidural hematomas take hours or days to develop.
C. Epidural hematomas do not carry the threat to life that subdural hematomas do.
D. The bleeding site is between the brain and the dura mater.
A
Patients with epidural hematomas may present similarly to those with subdural hematomas, although numerous factors such as size, location, and concurrent injuries play a role in how a patient presents. In a subdural hematoma, presentation of symptoms may be delayed by as long as a day or more.
Fill in the blank:
Which of the following findings is least likely in a patient with nontraumatic brain injury?
A. Unequal pupils
B. Battle sign
C. Altered level of consciousness
D. Slurred speech
B