Pharm: Seizures & Epilepsy
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14 terms
Terms | Definitions |
|---|---|
 Generalized onset seizures | aka grand mal; neuronal activity that originates simultaneously in the gray matter of both hemispheres |
| tonic-clonic | begin with muscular contraction throughout the body and progress to alternating contraction and relaxation |
| tonic seizures | involve spasms of the upper trunk with flexion of the arms |
| clonic seizures | alternating contraction and relaxation (no tonic phase) |
| atonic seizures | drop attacks; sudden global muscle weakness and syncope |
| myoclonic seizures | brief muscular jerks, but not as extreme |
| absence seizures | brief loss of awareness that commonly occurs with repetitive spasmosdic eye blinking for up to 30 sec; rare after 14 yrs old |
| partial onset seizures | localized region of the brain; can progress to generalized tonic-clonic seizures in up to 40% of patients |
| simple partial onset seizure | aka petit mal; brief loss of awareness but no loss of consciousness |
| complex partial onset seizure | level of consciousness is reduced but is not completely lost |
| unclassified seizures | do not clearly fit into any of the categories |
| status epilepticus | multiple seizures occur with no recovery between them; hypotension, hypoxia, cardiac dysrhythmias |
| epilepsy | disorder of the brain manifested as a chronic, recurrent pattern of seizures |
| seizure | abnormal electrical activity in the brain |
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