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216 Possible Causes for EEG Focal Slowing

  • Stroke

    Abnormal EEG was found in 40 patients (58%) and was associated with higher age (p 0.021). The most common EEG pathology was focal slowing (30; 43.5%).[ncbi.nlm.nih.gov] Background The background EEG may be normal or show focal slowing over the location of the stroke.[epilepsydiagnosis.org] Slow-wave activity arising from the same area as epileptiform activity in the EEG of paediatric patients with focal epilepsy.[scielo.br]

  • Brain Concussion

    Neuroimaging Clin N Am. 2018 Feb;28(1):15-29. doi: 10.1016/j.nic.2017.09.006. Epub 2017 Oct 27. Author information 1 Diagnostic and Interventional Imaging Department, El Bosque University, Hospital Universitario Fundacion Santa Fe de Bogota, Calle 119 # 7 - 75, Bogota DC 110111, Colombia. Electronic address:[…][ncbi.nlm.nih.gov]

  • Traumatic Brain Injury

    Cochrane Database of Systematic Reviews Background Raised intracranial pressure (ICP) is an important complication of severe brain injury, and is associated with high mortality. Barbiturates are believed to reduce ICP by suppressing cerebral metabolism, thus reducing cerebral metabolic demands and cerebral blood[…][doi.org]

  • Meningioma

    Although most meningiomas are encapsulated and benign tumors with limited numbers of genetic aberrations, their intracranial location often leads to serious and potentially lethal consequences. They are the most frequently diagnosed primary brain tumor accounting for 33.8% of all primary brain and central nervous[…][ncbi.nlm.nih.gov]

  • Encephalitis

    Encephalitis is inflammation of the brain. Severity is variable. Symptoms may include headache, fever, confusion, a stiff neck, and vomiting. Complications may include seizures, hallucinations, trouble speaking, memory problems, and problems with hearing.Causes of encephalitis include viruses such as herpes simplex virus[…][en.wikipedia.org]

  • 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]

  • Thyrotoxicosis

    Thyrotoxicosis is an endocrine disorder characterized by elevated levels of either free thyroxine or triiodothyronine or both with sympathetic overstimulation and a constellation of symptoms involving various organ systems. The diagnosis is based on clinical features, laboratory evaluation of thyroid hormone levels[…][symptoma.com]

  • Tuberous Sclerosis

    Tuberous sclerosis, otherwise referred to as Bourneville's disease or tuberous sclerosis complex, is an inherited disease that affects multiple systems. It is an uncommon condition, which leads to the formation of many tumors in various locations of the body, which are non-malignant. Tuberin and hamartin, the two[…][symptoma.com]

  • Hypoxic-Ischemic Brain Injury

    Later, the background may be normal, or show focal or widespread slowing.[epilepsydiagnosis.org] Slow-wave activity arising from the same area as epileptiform activity in the EEG of paediatric patients with focal epilepsy.[scielo.br] EEG (nonmalignant) pattern of diffuse background slowing. B, Focal diffusion abnormality involves the sensorimotor cortices, wbADC 835 10 6 mm 2 /s.[ajnr.org]

  • Anemia

    Proximal focal conduction block has been reported, which reversed on treatment. Electroencephalography (EEG) findings may be normal or show nonspecific slowing.[web.archive.org]

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