Types of peripheral neuropathy
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Transcript of Types of peripheral neuropathy
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Types of peripheral neuropathy
Sensory
Motor
Autonomic
Combined
i.e. diabetic neuropathy
i.e. Guillain-Barré
i.e. Dysautonomia, diabetic autonomic neuropathy
Most peripheral neuropathies
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Guillain-Barré Syndrome
Acute peripheral neuropathy, mostly motor
Preceded by a viral infection
Etiology is suspected to be autoimmune
Severe cases may produce respiratory failure, even death
Most cases completely resolve spontaneously in 6-12 months
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Classification of traumatic brain injury
Mild
Moderate
Severe
Unconsciousness Amnesia
<1 hour <1 day
1-24 hours 1-7 days
>24 hours >7 days
Abnormalitiesin brain images
Absent
Present
Present
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Levels of affectation in spinal cord injuries
Above C4: Requires ventilator
C4-T1: Different degrees of command of arms/hands
T2-T12: Paraplegia
L1-S5: Some sensory/motor loss in legs/hips
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Brown-Séquard syndrome
Same side of lesion:
- Motor loss- Numbness to touch and vibration
Opposite side of lesion:
- Loss of pain- Loss of temperature sensation
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Autonomic dysreflexia
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Arterial blood supply of the brain
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Ischemic stroke Vs Hemorragic strokeAtherosclerosis in arteries that feed the
cerebral circulation
In situ formation of a blood clot on Top of the atherosclerotic plaque
Cerebral artery
Direct obstruction
Carotid artery
Embolizationto the brain
Lack of oxygen in an area of the brainNeuronal death
Neurological deficit
Rupture of a blood vessel within the CNS:
Aneurism in a cerebral artery
Arterial-venous malformation
Bleeding from the meninges
Sub-arachnoideal hemorrage
Epidural hematoma
Subdural hematoma/Intraparenchymal hemorrageInflammatory reaction to the presence of blood
Mechanical pressure from blood in closed space
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Etiology of ischemic stroke
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The autonomic nervous system
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The autonomic nervous system