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Clinical Neurology

practice for EEG registry

QuestionAnswer
Describe automatism Automatism's are seen during complex partials seizures. examples include fumbling of hands, running fingers through hair or making a humming sounds
Describe the clinical features and EEG correlations seen with a clonic seizure. repetitive clonic jerks in nearly any skeletal muscle group in the body. EEG correlations because each jerk is driven by an EEG discharge a simultaneous spike wave discharge is expected with each clonic jerk.
How is EEG patterns of partial seizures differ from EEG patterns of generalized seizures? Partial seizures have EEG patterns that start in a focal subset of the brain. EEG patterns of generalized seizures involve all brain areas at once.
Describe the clinical features and EEG correlations seen with a moyclonic seizures. Clinical features: lightening like or shock like contraction of the muscles driven by an epileptic discharge. most common high voltage polyspike-wave discharge with may occur in brief repetitive bursts.
What are the differences between a typical and an atypical absence seizure? Both clinical features of staring and unresponsiveness. atypical absence e differ in that onset and termination of the episodes both clinically and ethnographically less clear and firing rates are slower
Define epileptic aura A subjective sensation that precedes the onset of a seizure. Sensations can be diverse such as hearing a buzzing sound, deja vu or nausea.
How do the clinical findings differ in a simple vs a complex partial seizure? During a simple partial seizure the patient remains alert and aware.
What are the clinical findings during a simple partial seizure? Include motor findings such a jerking or stiffening of a limb, tingling pain, hearing a sound, an odor, seeing brightly colored shapes, sweating fear or deja vu.
Dp patients with neurofibroatosis (recklinghousen disease) have an increased incidence of tumors? Patients with neurofibromatosis have an increased incidence of acoustic neuroma as well as other intracranial and spinal tumors
Define acoustic neuroma. A tumor that arises from the eighth (VIII) cranial nerve.
Name a disease caused by a prion Crustfeld Jacob
Define hemiparesthesia loss of sensation to one side of the body.
Describe the clinical features and EEG correlations seen with a tonic seizure. Clinical features include tonic stiffening of a limb, several limbs or body. EEG correlation spray of rapid spikes and or abrupt desynchronization ore flattening of EEG
Describe generalized clonic tonic whole body stiffening followed by clonic jerking EEG abrupt onset of generalized rapid spikes which then slow in frequency to manifest a clearer spike wave morphology
Describe the clinical features and EEG correlations seen with an atonic seizure Loss of tone, slumping, head drop or collapse to ground. EEG may possible, slow spike wave, desynchronization or polyspikes followed by flattening.
Define Coma a state in which a person is unaware of self and surroundings even if stimulated from the outside.
Define decerebrate posturing is characterized by extension of all four extremities and internal rotation of the shoulder and indicates pathology of the midbrain or pontine levels
Define dememtia Dementia is a clinical state characterized by a significant loss of function in multiple cognitive domains that is not due to an impaired lever of arousal.
Define cerebrovascular accident a focal neurologic deficit of sudden onset caused by a central nervous system ischemia or hemorrhage
Define transient ischemic attack (TIA) a focal neurological deficit of sudden onset caused by transient ischemia and resolving within 24 hours.
Define agnosia inability to recognize objects, people sounds, shapes or smells. symptom common to tumors of the parietal lobes
Define aphasis a complete loss of language function, speaking, writing or understanding the spoken language.
define apraxia inability to perform a previously learned set of coordinated movements not related to paralysis or lack of comprehension
Define dysnomia difficulty naming objects or finding the desired words
Define dysphasia Inability to speak words which one has in mind or to think of correct words or inability to understand spoken or written works. symptom common to tumors of the dominant cerebral hemisphere particularly the frontal, temporal and parietal lobes.
What EEG findings is most often associated with a cerebral abscess highly localized polymorphic delta waves over area with the abscess
Name the 3 characteristics that define and describe EEG waveform frequency, amplitude and location
Name the frequencies of normal EEG pattern Beta greater than 30 hz, alpha 8-13 hz, theta 3 to less than 8 hz and delta 0 to less than 4 hz
Created by: moeegtech
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