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35 Cards in this Set
- Front
- Back
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Back to causes of Ptosis
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1. 3rd nerve palsy
2. Horner's Syndrome 3. NMJ Disorder |
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For 3rd Nerve palsy, what will the pupil look like?
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Dilated
or Normal |
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When will the pupil be dilated?
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With aneurysm of Post Comm (must rule out b/c of high stakes)
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When will the pupil be normal with 3rd nerve palsy?
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Microvascular Infarction
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Pupil and Horner's?
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Constricted cause Horner's is an issue with sympathetic NS
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What can diabetes do to the nervous system?
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Cranial Neuropathies
Mononeuropathies Polyradiculoneuropathies Polyneuropathies Myopathies |
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What Cranial Neuropathies can we get with Diabetes?
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Eye Muscle CN's (III, IV, and VI)
and VII Also Anterior Ischemic Optic Neuritis |
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What happens with a VII palsy?
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Facial Paralysis
Taste is often spared Often recurrent and bilateral |
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What happens with III palsy?
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pupil almost always spared
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What happens with IV palsy?
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diplopia w/ head tilt
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what happens with VI palsy?
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diplopia on lateral gaze
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What happens with anterior ischemic optic neuritis?
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Altitudinal field cut
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Causes of the mononeuropathies?
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Entrapment (Carpal Tunnel)
Compression (ulnar, peroneal) Infarction (femoral, quadriceps) |
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What are the Sx's of an infarcted mononeuropathy?
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acute pain
muscle wasting? weakness? |
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Where might you get a Polyradiculopathy in Diabetes?
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Thoracoabdominal Neuropathy
Root Level (lik L2-L4, L5 would give you a foot drop) |
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What areas are hit by a generalized Polyneuropathy?
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Motor
Sensory Sensorimotor Autonomic |
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How do Generalized Polyneuropathies progress?
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feet-->knees-->hands
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How do GPN's affect autonomics?
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small sluggish pupils
resting tachycardia orthostatic hypotension constipation impotence |
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What parts of CNS are involved in Alcoholic Neuropathy?
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Sensory and Sensorimotor
Gait Disturbances Myopathy |
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How are sensory and sensorimotor involved?
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Small fibers-->burning
Decreased distal sensation |
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What causes the gait disturbances?
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cerebellar degeneration
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What kind of myopathy are we talking bout?
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Rabdomyolysis
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Sx's of Wernicke-Korsakoff
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Oculomotor palsy-->nystagmus
Encephalopathy Gait Ataxia Acute Confusion (disoriented, apathy, memory issues) |
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What Sx's are more specific to Korsakoff's?
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Memory Disturbances
retrograde amnesia anterograde amnesia confabulation |
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When does an uncomplicated alcohol withdrawal syndrome usually begin?
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w/in 8 hours of last drink up to several days later
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When are peak sx's of alcohol withdrawal?
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24-36 hours after last drink
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What should happen in 48 hours?
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withdrawal should abate or progress
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How many drinks per week should make you think alcoholic?
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Females: 6
Males: 14 |
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Early Alcohol Withdrawal Sx's
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Tremor
Cravings Insomnia Vivid Dreams Anxiety Irritability Sweating Tachycardia HTN |
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What happens to make alcohol withdrawal life threatening?
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Delirium Tremens
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When does delirium tremens usually occur?
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1-4 days after last drink
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When is the peak for DT?
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72 hours after last drink
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How delayed can the onset of DT be?
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7 days
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Sx's of DT?
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Clouding of sensorium
Profound Autonomic Hyperactivity Hallucinations **Seizures** |
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Mortality of DT?
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30% if untreated
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