Cranial Nerves Flashcards
(43 cards)
If you have a lesion in the right optic nerve what loss would you expect?
Blindness in right eye
If you have a lesion in the optic chiasm what would you expect the loss to be?
Heteronymous bitemporal hemianopia
Tunnel vision/loss of peripheral vision
If you have a lesion in the RIGHT optic tract what loss would you expect?
Homonymous contralateral hemianopia
LEFT vision field loss of both eyes
If you had a lesion in the left geniculocalcarine tract what loss would you expect?
Homonymous contralateral hemianopia with macula sparing
RIGHT visual field loss of both eyes with macula not lost
Exams that test CN 2?
- visual acuity
- gross visual field test (AKA: peripheral vision/confrontation)
- pupillary light reflex
- swinging flashlight test
- ophthalmoscopic exam
For the gross visual field test/peripheral vision/confrontation what are the directions and angles that patient should see object?
50- superior
60- nasal
70 - inferior
90- lateral
When doing pupillary light reflex and shining light in right eye what cranial nerves in each eye are being tested?
Right: CN. 2 & 3
Left: CN 3
What does the swinging flashlight test for?
Unilateral disease of afferent CN 2 (on side that causes both pupils to dilate)
(Marcus-Gunn pupils)
What condition areMarcus-Gunn pupils seen in?
Optic neuritis
What is Scotoma?
A patch of vision loss
What is the likely description of pain coming from the joint?
Sharp on motion
Constant
What is the likely descriptor of pain from the nerve
Constant Burning/hot Sharp on no motion Stabbing Tingling/numbness
What is the description of pain with bone/ligament
Deep burning, dull pain
Description of pain from myofascial pain
Pinpoint pain over paraspinal tissue
Crawling sensation
Vascular pain description
Throbbing
Peripheral pain description
Well localized
Central pain description
Diffuse
5 relative contraindications
- Articulate hyper mobility /uncertain stability of joint
- Severe demineralization
- Benign bone tumors (spine)
- Bleeding disorders and anticoagulant therapy
- Radiculopathy with progressive neurological signs
What is an absolute contraindication for cervical spinal manipulations
Vertebrobasilar insufficiency syndrome
Area of pain with facet irritation of c2/3
Right lateral and posterior neck
Area of pain in facet irritation pattern of c3/4
Left lateral and posterior neck to base of shoulder
Area of pain in irritation of facets at c4/5
Right lateral and posterior bottom of neck and mid shoulder
Area of pain in facet irritation of c5/6
Left posterior shoulder and above scapula
Area of pain in irritation of facets c6/7
Right posterior shoulder and mid scapular region
