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What is the leading cause of TBI in those under 65 yrs old? |
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What is the leading cause of TBI in the elderly? |
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The large opening in the skull that acts as a passage way for the brainstem to the spinal cord? |
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The most common mechanism for head trauma in kids? |
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The rough surface on the skull that if broken can allow for the brain to easily to be injured resulting in a basilar skull fracture. |
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A bleed between the skull and the dura mater, usually by aterial laceration and has a SUDDEN onset of symptoms. |
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Between the arachnoid and dura mater usually caused by a ruptured vein and has a gradual onset of symptoms. |
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Usually between the arachnoid and the pia mater caused by a ruptures aneurysm. Presenting slowly with the worst headache ever. |
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The pressure within the cranium, or the ICP, is usually less then ______? |
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The balance of the brain, blood and the CSF determine ICP. What is the formula? |
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Definition
ICP= Vcsf + V blood + V brain |
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What do we call the pressure required to perfuse the brain? |
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Definition
Cerebral perfusion pressure (CPP) |
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The pressure moving the blood through the cranium is decided by what formula? |
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When you have a pt who has a change in ICP they compensate. Usually like when you have an increase in ICP you have an increased BP. This type of relationship is called? |
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MAP must be at least ___________ to ensure adequate perfusion. |
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Definition
50mmHg from notes ??
85-95mmHg in the text book |
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So when the ICP is going up what must also go up to ensure the brain is being perfused? |
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CO2 is a potent ________? |
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If there is herniation you need to BVM your patient at what rate? |
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In a regular ICP patient bag at _______? |
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If a patient presents anxious, irratated, and combative these are all indicators of a _______? |
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Definition
ALOC which is the main early indicator of a head injury |
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What are the signs of Cushings Reflex? |
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Definition
increased BP
Bradycardia
erractic respirations. |
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Unable to recall events before an injury is called? |
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Can't recall events after the trauma is ? |
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In antegrade amnesia the pt may present with repetative questioning. This is called? |
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Direct trauma to the brain and the associated vascular injuries is an example of a ________ brain injury |
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Mass effect abd the subsequent elevated ICP and machanical shifting of the brain, hypoxia, and Hypotension are all examples of a _______ brain injury. |
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The secondary brain injuries are those most often recognized with Mass effect. These mechanisms are the result of interactions described by the ? |
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The movement of the temporal lobe into the third nerve, motor tract, brainstem and RAS is called?
Because of it's malfunction of the third nerve results in? |
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Definition
Uncal Herniation
Blown pupil |
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What two kinds of bruising are evidence of a basilar skull fracture? |
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Definition
Racoon eyes and Battle Signs |
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What kind of fracture involves a horizontal detachment of the maxilla from the nasal floor? |
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What kind of fracture included the right and left maxilla, the medial portion of the orbital floor and the nasal bones? |
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What kind of fracture is also called a pyramidal fracture? |
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What kind of fracture involves the facial bones being fracture off the skull? |
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Definition
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Vacant Stare
Delayed motor and verbal response
Confusion
Disorientation
Slurred or incoherrent speech
lack of coordination
memory deficits are all changes following a _________ |
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A fracture of the temporal bone could result in damages to the __________ |
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Epidural hematomas have a period of consciousness where the patient may be oriented, letharguc or confused. This is called the |
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Subdural Hematomas result from ______ bleeds |
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The largest part of each vertebrae is called the |
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THe posterior part of the vertebrae is a tail-like strucutre called the ? |
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The majority of spinal injuries occur at the _______ region. |
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The skull sits on top of a C1 which is called the... |
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C2 or the Axis has spur called the _________ _______ that protrudes upward like a tooth. |
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At the level of C3 the spinal cord occupies roughly _____ % of the spinal canal |
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Between 70-80% of the bodys weight rests on the ? |
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What nerve tracts carry SENSORY impulses from the body parts through the cord up to the brain. |
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What nerve tracts carry motor impulses from the brain through the cord down the body? |
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The _______ root is for sensory impulses |
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The ________ root is for motor impulses. |
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The sensory area on the body for which a nerve root is responsible. |
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The diaphragm is inervated by the phrenic nerve located between levels _______ |
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Over elongation of the spine scene in playground injuries and hangings are called |
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What results from the temporary disruption of the spinal cord functions distal to the injury? |
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Bruising or bleeding into the spinal cords tissues is called |
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What is the result of bony fragments or pressure on the spinal ARTERIES? |
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What are symptoms associated with anterior cord syndrome? |
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Definition
loss of motor function, pain,
temperature and light touch sensations |
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What usually occurs with hyperextension of the cervical area? |
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What are the symptoms of Central cord syndrome? |
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Definition
Weakness in the upper extremities but normal in the lower. |
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What is caused by penetrating injury and involves hemitransection of the cord? |
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What are the symptoms of Brown Sequard Syndrome? |
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Definition
Loss of function on the affected side, loss of pain and temperature sensation on the opposite side of injury. |
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The major cause of spinal injury in adult patients is |
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The major cause of spinal injury in pediatric patients is |
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