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prodromal phase seizure
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early ictal seizure
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322 Exam 2
322 Anticonvulsants, Parkinson's, Alzheimer, MS, MG
| Term | Definition |
|---|---|
| prodromal phase seizure | sensation days before, anxiety, headache |
| early ictal seizure | prepare oneself for what is about to occur, differs based on seizure; may alter taste, numbness |
| ictal phase seizure | seizure itself, vision loss, tremors |
| postictal phase seizure | drowsiness, nausea, malaise; put in side position to prevent tongue from closing over trachea |
| anticonvulsants | antiseizure drugs, have a narrow therapeutic index |
| hydantoins, phenytoin | stabilizes nerve cells to keep them from getting overexcited; interfere with vitamin K metabolism; purple glove syndrome |
| side effects of hydantoins | gingival hyperplasia, nystagmus, slurred speech, anorexia, urine discoloration, hyperglycemia |
| iminostilbene side effects | possible interaction with grapefruit juice; hematologic toxicity, dizziness, GI distress |
| succinimides | treat absence seizures; suppress abnormal electric activity, decrease calcium influx |
| succinimides adverse reactions | blood dycrasias, steven johnson rash, lupus, suicidal ideation |
| valproic acid | increases GABA activity, can cause thrombocytopenia and liver toxicity is deadly |
| status epilepticus | ongoing seizure, medical emergency treated with diazepam or lorazepam followed by phenytoin; slow IV to avoid depression |
| myasthenia gravis | antibodies attach ACh receptors and decrease attachment to receptors at neuromuscular junction and prevents normal muscular contraction |
| myasthenia gravis signs | weakness and fatigue of muscles; affects eye muscles, chewing, facial muscles and respiratory muscles |
| treatment of myasthenia gravis | acetylcholinesterase inhibitors; neostigmine, pyridostigmine, edrophonium |
| if ACE inhibitors do not work | prednisone for myasthenia gravis, immunosuppressive drug |
| myasthenia crisis | underdosing acetylcholinesterase inhibitors ; generalized muscle weakness involves diaphragm and intercostal muscles leading to respiratory failure |
| cholinergic crisis | overdosing acetylcholinesterase inhibitors causes possible respiratory depression and arrest; use atropine as antidote |
| multiple sclerosis | autoimmune disorder that attacks myelin sheath of nerve fibers creating lesions and plaques |
| multiple sclerosis treatment | immunomodulators, immunosuppressants, skeletal muscle relaxants |
| immunomodulators | modify body's immune response so body doesn't attack itself, inhibits function of cytokines |
| immunosuppressants | suppress the immune system |
| skeletal muscle relaxants | depress neuron activity in the spinal cord and enhance neuronal inhibition of skeletal muscles |
| peripherally acting skeletal muscle relaxants | treat muscle spasticity |
| centrally acting skeletal muscle relaxants | treat muscle spasms |
| spascticity | muscular hyperactivity that causes contraction of the muscles resulting in pain and limited mobility |
| spasms | associated with traumatic injury |
| parkinson's | chronic progressive neurologic disorder; imbalance of acetylcholine and dopamine; lack of dopamine |
| parkinson's hallmark signs | tremors, muscle rigidity, bradykinesia, postural instability, flat affect |
| dopaminergics | convert dopamine and increase mobility; carbidopa levodopa |
| dopamine agonists | promotes release of dopamine from receptors, blocks dopamine reuptake |
| MAO B inhibitors | inhibit MAO B from breaking down dopamine; prolongs action of levodopa |
| COMT inhbitors | inhibit COMT from inactivating dopamine, increase amount of levodopa in the brain |
| carbidopa levodopa considerations | dry mouth and fatigue, orthostatic hypotension, dyskinesia, hallucinations and nightmares, sweat and urine discoloration |
| alzheimer's | memory loss, impaired judgment, sundowning |
| treatment for alzheimer's | donepezil, galantamine, rivastigmine; acetylcholinesterase inhibitors prevent the breakdown of acetylcholine and help slow the progression |
| adverse effect for acetylcholinesterase inhibitors | orthostatic hypotension |
| hydantoin range | 10 -20 |
| iminmostilbene range | 4 -12 |
| succinimide range | 40 - 100 |
Created by:
ahommel
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