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118 Possible Causes for EEG Focal Pattern

  • Stroke

    A sample EEG recording showing a focal spike typical of a seizure.[mayfieldclinic.com] Focal attenuation - Attenuation indicates reduced amplitude of one type of activity that occurs at certain frequency, or of the entire EEG activity.[scielo.br] An EEG is of value for diagnosing epilepsy only if it detects patterns typical of epilepsy.[mayfieldclinic.com]

  • Intracerebral Hematoma

    Toxicological investigations were performed on an intracerebral hematoma, antemortem blood, and postmortem blood of an individual who was found unresponsive in his home. The hematoma was found to have ethanol at a concentration of 0.05% (w/v), and benzoylecgonine (a cocaine metabolite) was also confirmed at a[…][ncbi.nlm.nih.gov]

  • Subarachnoid Hemorrhage

    Subarachnoid hemorrhage (SAH) is a life-threatening condition that refers to bleeding into the subarachnoid space. Most cases are attributed to a ruptured aneurysm. Additionally, there are risk factors such as hypertension, atherosclerosis, smoking, and other conditions as well. Up to 50% of patients with SAH[…][symptoma.com]

  • Brain Neoplasm

    Continuum (Minneap Minn). 2015 Apr;21(2 Neuro-oncology):480-6. doi: 10.1212/01.CON.0000464183.35322.5f. Abstract Neurologists are often on the front lines of diagnosis for primary and metastatic brain tumors. Patients with brain tumors typically have multiple comorbidities and pain generators beyond headache,[…][ncbi.nlm.nih.gov]

  • Brain Abscess

    Neurocirugia (Astur). 2015 Jan-Feb;26(1):48-51. doi: 10.1016/j.neucir.2014.10.002. Epub 2014 Dec 6. Author information 1 Department of Endocrinology, Hospital Universitario y Politécnico La Fe, Valencia, Spain. Electronic address: matirubal@gmail.com. 2 Department of Endocrinology, Hospital Universitario y Politécnico La Fe,[…][ncbi.nlm.nih.gov]

  • Delirium

    It is perhaps significant that the EEG during such states does not show diffuse slowing as in delirium, but rather either diffuse acceleration (quinacrine) 32 sleep patterns[doi.org] […] in an alert state (atropine), 42 or focal spikes or paroxysmal slow activity (mescaline). 43 There are some grounds to suspect that delirium tremens, the more or less distinctive[doi.org]

  • Temporal Lobe Epilepsy

    […] of language dominance in focal left and right hemisphere epilepsies: Relation to MRI findings, EEG, sex, and age at onset of epilepsy , Brain Cognit , 1997 , vol. 33 (pg.[doi.org] […] temporolateral and temporomesial structures in verbal declarative learning and memory: evidence from temporal lobe epilepsy , Brain Cogn , 1997 , vol. 35 (pg. 110 - 31 ) Patterns[doi.org]

  • Epilepsy

    METHODS: Up to four consecutive focal seizures were evaluated in 277 patients with lesional focal epilepsy, excluding isolated auras and subclinical EEG seizure patterns.[ncbi.nlm.nih.gov] At 9 years, video EEG monitoring showed a striking pattern of interictal slow spike-wave and paroxysmal fast activity, maximal over the right, initially unaffected, hemisphere[ncbi.nlm.nih.gov] Erdly, Long-term EEG-video-audio monitoring: computer detection of focal EEG seizure patterns, Electroencephalography and Clinical Neurophysiology, 82, 1, (1), (1992).[doi.org]

  • Juvenile Myoclonic Epilepsy

    The temporal lobe seizures were accompanied by a focal recruiting rhythm with rapid generalisation on EEG, in which the ictal EEG pattern during the secondary generalised[ncbi.nlm.nih.gov] […] behavioural immobility which correlates with patterns of cortical spike and wave discharges at the EEG A premature-termination mutation R482X was identified in a patient[en.wikipedia.org] Focal EEG features were defined as regional or lateralized EEG epileptiform patterns.[go.galegroup.com]

  • Status Epilepticus

    EEG patterns and location EEG patterns recorded in the NCSE patients (n 65): focal spike/sharp and wave 3/s in 43% (n 28), generalized spike/sharp and wave 3/s in 28% (n 18[intechopen.com] […] on EEG; (c) complex partial status: confusional state, clinical seizure or both with focal EEG abnormality; (d) elementary status: partial seizures without loss of consciousness[doi.org] EEG in NCSE patients who ultimately died (n 20): 40% periodic patterns (n 8), 30% continuous generalized spike/sharp and waves (n 6), and 30% with focal spike/sharp and waves[intechopen.com]

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