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relatively stationary skull is hit by an object traveling at a high velocity, results in trauma on the side where struck |
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skul is moving at a relatively high speed and suddenly stopped, injury on the opposite side that was struck |
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repeated subconcussive forces |
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Definition
receiving repeated nontraumatic blows to the head, or history of repeated concussions |
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rotational or shear forces |
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Definition
sudden twisting forces or acceleration or deceleration can disrupt neural activity and result in concussion symptoms |
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Levels of Conciousness: Alertness |
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Definition
readily aroused, orientated and fully aware of surroundings |
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Levels of Conciousness: Confusion |
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Definition
memory is impaired, confused/disoriented |
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Levels of Conciousness: Lethargy |
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Definition
drowsy, inattentive, responds to name, loses train of thought, shows decreased spontaneous movement, has sow/fuzzy thinking |
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Levels of Conciousness: Obtundity |
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Definition
responds to loud voice or shaking, withdraws from painful stimulus, confused when aroused, talks in monosyllabes, mumbles/incoherent, needs constant stimuli to cooperate |
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Levels of Conciousness: Stupor |
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Definition
responds to painful stimulus, shaking, groans/mumbles, exhibits reflexes |
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Levels of Conciousness: Coma |
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Definition
does not respond to painful or any other stimuli |
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Definition
ecchymosis over the mastoid process, may indicate a basilar fracture (may take up to 24 hours to appear) |
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Definition
Olfactory, Sensory, Smell |
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Definition
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Occulomotor, Motor, Pupil reaction and size, elevation of eyelid, eye adduction and downward rolling |
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Definition
Trochlear, Motor, Upward Eye Rolling |
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Definition
Trigeminal, Both, Muscles of mastication, sensation of nose, forehead, temple, scalp, lips, tongue and lower jaw |
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Definition
Abducens, Motor, Lateral Eye Movement |
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Definition
Facial, Both, Muscles of expression, taste |
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Definition
Vestibulocochlear, Sensory, Equilibrium and Hearing |
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Definition
Glossopharyngeal, Both, Pharyngeal muscles, Taste |
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Definition
Vagus, Both, Muscles of pharynx and larynx, gag reflex |
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Definition
Accessory, Motor, Trapezius and Sternocleidomastoid muscles |
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Definition
Hypoglossal, Motor, Tongue movement |
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Definition
[image]
an untreated septal hematoma and its infection causing necrosis of the nasal cartilage can result in deformity of the nose |
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Definition
extension of the extremeties and the retraction of the head
(lesion of the brain stem, also possibly secondary to heat stroke) |
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Definition
flexion of the elbows and wrists, clenched fists, and extension of lower extremities
(lesion above the brain stem) |
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Definition
arms flexed across the chest
(spinal cord lesion at the C5-C6 level) |
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Definition
prolonged inspiration unrelieved by attemprs to exhale - trauma to the pons |
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Definition
periods of apnea followed by hyperventilation - increased intercranial pressure |
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Cheyne-Stokes Respiration |
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Definition
periods of apnea followed by breaths of increasing depth and frequency |
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Definition
respirations consisting of fewer than 12 breaths per minute - CNS disruption |
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Definition
respiration in which the diaphragm is inactive and breathing occurs only through expansion of the chest; normal abdominal movement is absent - disruption of the phrenic nerve or its nerve roots |
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Definition
pulse greater than 150 BPM, pressure on the base of the brain; shock |
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Definition
pulse that quickly reaches a higher intensity than normal, then quickly disappears - ventricular systole and reduced peripheral pressure |
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Definition
pulse in which the number of beats counted at the radial pulse is less than that counted over the heart itself - cardiac arrhythmia |
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Definition
pulse in which the force of the beat is increased; an increased amount of pressure is required to inhibit the radial pulse - cerebral trauma |
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Definition
short, fast, faint pulse having a rapid decline - heart failure; shock |
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Definition
1. Place tongue blade in the patient's mouth
2. As the patient attempts to hold the tongue blade in place, the examiner twists the blade
+ = The patient is unable to maintain a firm bite or pain is elicited
Indicates: Possible mandibular fracture |
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Term
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Definition
1. Patient shuts the eyes and abducts the arms to 90 degrees with elbows extended
2. the patient tilts the head backward and lifts one foot off the ground while atttempting to maintain balance
3. If this is adequately completed, patient is asked to touch the index finger to the nose (with eyes remaining closed)
+ = display of gross unsteadiness
indicates: cranial nerve 8 dysfunction, concussion |
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Term
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Definition
1. The patient walks heel-to-toe along the straight line for approximately 10 yards
2. The patient returns to the starting position by walking backward
+ = unable to maintain steady balance
indicates: cerebral or inner ear dysfunction that inhibits balance |
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Term
Balance Error Scoring System (BESS) |
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Definition
Patient is barefoot, with eyes closed/hands on hips, and performs each stance twice for 20 seconds; first time on firm surface, and then while on foam surface
- Double leg stance
- Single leg stance - stand on non dominant leg, non weight bearing hip flexed 20-30 degrees and knee flexed to 40-50 degrees
- Tandem leg stance - nondominant behind dominant leg in a heel-to-toe manner
errors include any lifting of hands, opening eyes, stepping/stumbling/falling, moving the hip into more than 30 defrees of flexion or abduction, lifting foot or heel
indicates: impaired cerebral function |
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Term
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Definition
- Fold a piece of sterile gauze into a triangle
- using the point of the gauze, collect a sample of the fluid leaking from the ear or nose and allow it to be absorbed by gauze
+ = a pale yellow "halo" will form around the sample on the gauze
indicates: CSF leakage, indicative of skull fracture, frontal and ethmoid bones most commonly involved |
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Term
Fluorescent Dye Test for Corneal Abrasions |
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Definition
- Soak fluorescein strip with sterile saline solution
- lightly touch the wet fluorescein strip to the conjunctiva of the lower eyelid for a few seconds
- avoid placing the strip directly on the cornea
- ask the patient to blink the eye a few times to spread the solution
- darken the room and use a cobalt blue light to illuminate the eye
+ = when viewed with cobalt blue light, corneal abrasions appear as a bright yellow-green pattern on the eye
indicates: corneal abrasion |
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Definition
inability to recall events before the onset of injury |
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Definition
cannon remember events after the onset of the injury |
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Definition
behavior, analytical skills, information processing |
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spring test/cervical joint play |
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Definition
- have athlete prone
- thumbs placed on spinous process, pushes anteriorly feeling for spring of vertebrae
+ = no movement, or pain is ilicited
indicates: hypermobility/hypomobility, ligament sprain |
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Term
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Definition
- Athlete is supine
- examiner runs device up plantar aspect of foot making an arc from the calcaneus medially to the ball of the great toe
in the presence of normal innervation, the toes should curl
+ = the great toe extends and the other toes splay
indicates: upper motor neuron lesion, caused by brain or spinal cord trauma or pathology |
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Term
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Definition
- Supine
- a blunt object or the examiner's fingernail is run along the crest of the anteromedial tibia
+ = the great toes extends and the other toes splay or the patient reports hypersensitivity to the test
indicates: upper motor neuron lesion caused by brain/spinal cord trauma or pathology |
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