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Duke PA EEG and EMG

when are EEG's useful when looking for evidence of epilepsy. when trying to tell if a shaking episode is epilepsy. when attempting to determine if someone is consious or not. somewhat useful in detecting the absence of brain activity.
not all spikes are __ epileptic
patients with seizures can have __ normal EEG's
manifested primarily in children and are a brief cessation of conversation or activity followed by immediate return of normal function, usually no shaking occurs absence seizures
a very characteristic EEG pattern often occurs intermittently even when the individual is not having an __ absence seizure
is an ongoing seizure which has little if any movement associated with it, the patients are poorly responsive but the etiology is unclear Non-convulsive status epilepticus
if a person has a focal seizure they are likely to develop additional seizures because the seizure is due to some __ focal lesion
if after a single seizure the patient has signs of epileptiform discharges on __, then they are likely to go on to have further seizures EEG
if after a single seizure the patient is found to have some sort of structural brain lesion on __, then they are more likely to have further seizures MRI
an episode which clinically looks like a seizure but occurs for emotional or psychological reasons and is not accompanied by EEG evidence of seizure during the episode pseudoseizures
__ do not respond to epilepsy medication pseudoseizures
prior to sophisticated imaging procedures EEG was useful in locating mass lesions as the EEG would be __ over the mass muted or slow
the EEG is quite useful in demonstrating the presence and degree of __ but rarely suggests the etiology coma or encephalopathy
if the EEG is completely flat-no evidence of brain activity, this is a useful adjunct in determining brain death. Brain death remains a __ clinical diagnosis based on the neurological examination
there are patients who meet criteria for brain death who __ still have some EEG activity
a needle is inserted into a muscle and the electrical activity of the muscle is observed during rest and activation. The activity is different if the nerve or muscle has been injured electromyography
the EMG/NCV should be considered an extension of the __ neurologic examination
are potentially useful whenever there is a suspicion of peripheral nerve or muscle injury EMB/NCV
they are particularly useful for detecting carpal tunnel syndrome EMG/NCV
they are very useful when investigating the presence or severity of polyneuropathy and sometimes suggest etiologies EMG/NCV
they are sometimes useful when investigating radiculopathy or muscle diseases EMG/NCV
electrical studies used to study the conduction of central nervous system pathways Evoked Potential Studies
electrodes are place on the scalp and brain potentials are recorded in response to a stimulus-measuring the size and timing of the response and comparing those results to normal values Evoked Potential Studies
Created by: bwyche