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25 Cards in this Set
- Front
- Back
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Average age at SCI injury? |
38
MALES (4:1 ratio) |
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Etiology, top four?
Most frequent cause in elderly? |
1. MVC
2. Falls (elderly) 3. Violence 4. Sports |
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Overall what is the most common level of injury?
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C5
*Overall TETRAplegia is more common than PARAplegia |
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Most common level of paraplegic injury?
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T12
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Order of prevalence complete vs. incomplete, tetraplegia vs paraplegia?
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1. INcomplete TETRA
2. COMPLETE PARA 3. COMPLETE TETRA 3. INcomplete PARA "incomplete sandwich, pattern is tetra, para, tetra, para" |
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Name 6 factors that increase the likelihood that someone with an SCI will return to work
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1. Male
2. White 3. Married 4. Young 5. Educated 6. Able to DRIVE |
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Name 6 factors that increase the mortality associated with SCI
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1. Male
2. Old 3. Ventilator 4. High injury 5. COMPLETE injury 6. VIOLENT injury |
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Most common cause of post SCI death?
2nd most common? |
1. Respiratory - pneumonia
2. Heart disease 3. Sepsis |
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Leading cause of death for those with incomplete or complete paraplegia?
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1. SUICIDE
2. complete - heart disease 2. incomplete - cancer |
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At what level does the conus becomes the cauda equina?
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L1-L2
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Inner or outer?
Grey vs. White matter |
Grey is inside, white is outside.
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Which spinal tract is responsible for light touch/vibration for the legs?
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Fasciculus GRACILIS
*DORSAL COLUMN |
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Which spinal tract is responsible for light touch/vibration for the arms?
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Fasciculus CUNEATUS
*DORSAL COLUMN |
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Which spinal tract is responsible for PROPRIOCEPTION?
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DORSAL COLUMNS for conscious proprio
*Spinocerebellar (LATERAL columns for UNconscious proprio) |
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Which spinal tract is responsible for PAIN & TEMP (also crude touch)?
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SpinoTHALAMIC (ventral lateral columns)
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Which spinal tract is responsible for MOTOR function?
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Lateral CORTICOspinal aka PYRAMIDAL (deep lateral column)
- MEDIAL = cervical - LATERAL = sacral |
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Which spinal tract is responsible for MOTOR function of the NECK & TRUNK?
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Anterior corticospinal
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Where do fibers from the CORTICOSPINAL tract crossover?
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In the MEDULLA
(precentral gyrus --> INTERNAL CAPSULE --> medulla oblongata --> LATERAL spinal cord --> ventral horn *motor |
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Where do fibers from the SPINOCEREBELLAR tract cross over?
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THEY DON'T!
- Remain IPSALATERAL *proprioception |
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Where do fibers from the SPINOTHALAMIC tract cross over?
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In the SPINAL CORD, 1-3 segments above their point of entrance
(peripheral nerve --> DRG --> dorsal horn --> cross over 1-3 segments up --> LATERAL spinothalamic tract --> contralateral THALAMUS --> internal capsule --> POSTcentral gyrus) *pain & temp |
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Where do fibers from the DORSAL COLUMNS cross over?
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Medulla (medial lemniscus)
*light touch, vibration, conscious proprioception |
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Anterior spinal artery supply what part of the spinal cord?
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ANTERIOR
2/3 |
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Posterior spinal arteries supply what part of the spinal cord?
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POSTERIOR
1/3 |
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Where does the artery of ADAMKIEWICZ arise from and what does it supply?
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LEFT intercostal or LUMBAR artery (T6-L3)
- major blood supply for LOWER 2/3 spinal cord |
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Where is the "WATERSHED" area of the spinal cord?
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T4-T6
- very few radicular arteries here |
