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Neurodiagnostic Journal

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https://www.readbyqxmd.com/read/28436818/dimensional-analysis-an-alternative-method-for-converting-between-interrelated-units-of-both-timebase-and-sensitivity-in-eeg
#1
Andrew Todd Ham
Neurodiagnostics professionals expected to perform EEG calculations involving timebase and sensitivity may benefit from an additional method in which to solve for the answers. Dimensional analysis (DA) is an efficient, organized method that generates answers in a consolidated context. Its coherent, streamlined mechanism allows for efficient computations involving sets of values with diametric units. One of its key advantages is its ability to emphasize conceptualization, which may be attractive to those with that mathematical personality...
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/28436817/waveform-window-38-eeg-stages-of-neonatal-hypoxic-ischemic-encephalopathy-from-background-suppression-to-resolution-of-neonatal-seizures
#2
Yuliya Lyutyy, Diana Sieciechowicz, Ahsan Nv Moosa, Elia M Pestana Knight
No abstract text is available yet for this article.
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/28436816/-almost-lost-at-sea-an-unusual-cause-of-cortical-blindness
#3
Jeffrey Walden, Edward Van Williamson
A middle-aged man with a history of type 2 diabetes mellitus, hypertension, hyperlipidemia, prior cerebral vascular accident, and remote history of generalized seizure disorder presented with worsening right-sided visual deficits and focal seizures. On examination the patient had dense homonymous hemianopsia on the right side. He was initially diagnosed with a stroke and underwent further investigation for potential causes. However, upon further review, magnetic resonance imaging (MRI) findings and repeat examination were more consistent with seizure-related effects on cortical brain matter as the cause of his visual disturbances rather than stroke...
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/28436815/moyamoya-in-a-patient-with-fires-a-first-case-report
#4
Taylor Kaufman, Andrew White
Febrile infection-related epilepsy syndrome (FIRES) is a form of epileptic encephalopathy with severe refractory epilepsy that presents in previously healthy, school-aged children after significant febrile illness with concomitant rise in body temperature. Suspected causes include genetic or acquired channelopathies, as well as mitochondrial disturbances. In FIRES, the EEG shows diffuse slowing, generalized, and/or multifocal discharges. Seizures are present and resistant to treatment. Moyamoya angiopathy (MMA) is characterized by progressive stenosis of cerebral arteries and subsequent development of a network of collateral circulation that is prone to rupture...
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/28436814/credentialing-organizations
#5
(no author information available yet)
No abstract text is available yet for this article.
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/28436813/rf-heating-of-gold-cup-and-conductive-plastic-electrodes-during-simultaneous-eeg-and-mri
#6
Mukund Balasubramanian, William M Wells, John R Ives, Patrick Britz, Robert V Mulkern, Darren B Orbach
PURPOSE: To investigate the heating of EEG electrodes during magnetic resonance imaging (MRI) scans and to better understand the underlying physical mechanisms with a focus on the antenna effect. MATERIALS AND METHODS: Gold cup and conductive plastic electrodes were placed on small watermelons with fiberoptic probes used to measure electrode temperature changes during a variety of 1.5T and 3T MRI scans. A subset of these experiments was repeated on a healthy human volunteer...
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/28436812/retrospective-waveform-analysis-of-transcranial-motor-evoked-potentials-mep-to-identify-early-predictors-of-impending-motor-deficits-in-spinal-surgeries
#7
Scheherazade Le, Viet Nguyen, Alexander C Ekwueme, S Charles Cho, Leslie Lee, Jaime López
PURPOSE: Although there are guidelines analyzing transcranial motor evoked potentials (MEP) waveform criteria, they vary widely and are not applied universally during intraoperative neurophysiologic monitoring (IONM). The objective is to generate hypotheses to identify early and reliable MEP waveform characteristics prior to complete loss of MEP to predict impending motor spinal cord injuries during spinal surgeries. The ultimate goal is to enhance real-time feedback to prevent injury or detect reversible spinal cord damage...
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/28436811/aset-ceu-quiz
#8
(no author information available yet)
No abstract text is available yet for this article.
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/28436809/review-of-caplan-s-stroke-a-clinical-approach-4th-edition-by-louis-r-caplan
#9
Sandra Napier
No abstract text is available yet for this article.
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/28436808/kathleen-mears-memorial-lecture-go-for-the-gold-essential-skills-for-neurodiagnostic-practitioners
#10
Jerry Morris
No abstract text is available yet for this article.
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/28436807/aset-position-statement-on-skin-safety-during-eeg-procedures-a-guideline-to-improving-outcome-addendum-neonatal-continuous-eeg
#11
(no author information available yet)
No abstract text is available yet for this article.
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/28436806/review-of-wyllie-s-treatment-of-epilepsy-5th-edition-edited-by-elaine-wyllie
#12
Petra N Davidson
No abstract text is available yet for this article.
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/28436805/review-of-current-practice-of-clinical-electroencephalography-4th-edition-by-john-s-ebersole-aatif-m-husain-and-douglas-r-nordli
#13
Susan D Agostini
No abstract text is available yet for this article.
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/28436804/editorial-medical-editor-change
#14
(no author information available yet)
No abstract text is available yet for this article.
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/27373058/waveform-window-36-shake-rattle-and-roll-the-importance-of-recognizing-and-documenting-physiologic-artifacts-during-routine-continuous-or-ambulatory-eeg
#15
Eli S Neiman, Estee Stern, Stuart A Gensler, Michael Seyffert
No abstract text is available yet for this article.
June 2016: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/27373057/anti-nmdar-encephalitis
#16
Linda J Kelly, Vicki L Sexton
Anti-N-methyl-D-aspartate receptor encephalitis is a newly described disease process. Patients are generally young females who present with psychiatric symptoms and progress to have seizures, abnormal movements, and. autonomic instability. Diagnosis is made based on serum and cerebrospinal fluid results, However, a characteristic EEG pattern described as extreme delta brush has been associated with this disorder making it especially relevant to neurodiagnostic technologists in practice today. Our case presentations follow two patients through the course of their illness and recovery...
June 2016: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/27373056/a-case-study-of-gamma-waves-in-a-woman-with-recent-psychotic-symptoms
#17
Roy R Reeves
Reported here is the case of a 41-year-old female who developed paranoia and delusions. Physical examination, laboratory studies, and neuroimaging were unremarkable. She was diagnosed with schizophrenia and treated with risperidone, ultimately at a dose of 3 mg daily, with improvement. Her EEG showed bursts of 30-40 Hz gamma activity in the frontal regions, a finding sometimes noted on the resting EEGs of patients with schizophrenia. This report discusses gamma activity as well as other EEG abnormalities that may occur on the resting EEG of patients with schizophrenia...
June 2016: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/27373055/sharp-slow-waves-in-the-eeg
#18
A Bruce Janati, Naif Saad AlGhasab, Raed Ayed Alshammari, Abdulmohsen saad AlGhassab, Al-Aslami Yossef Fahad
There exists a paucity of data in the EEG literature on characteristics of "atypical" interictal epileptiform discharges (IEDs), including sharp slow waves (SSWs). This article aims to address the clinical, neurophysiological, and neuropathological significance of SSW The EEGs of 920 patients at a tertiary-care facility were prospectively reviewed over a period of one year. Thirty-six patients had SSWs in their EEG. Of these, 6 patients were excluded because of inadequate clinical data. The clinical and neuroimaging data of the remaining 30 patients were then retrospectively collected and reviewed, and the findings were correlated...
June 2016: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/27373054/contemporaneous-evaluation-of-intraoperative-ulnar-and-median-nerve-somatosensory-evoked-potentials-for-patient-positioning-a-review-of-four-cases
#19
Justin W Silverstein, T EP, CNCT, Ricky Madhok, Christopher D Frendo, Hargovind DeWal, George R Lee, MS
Somatosensory evoked potentials (SSEPs) are a valuable tool for assessing changes in peripheral nerve pathways caused by patient positioning during spinal surgeries. These changes, when left undiagnosed, may lead to postoperative neurological sequelae. Why an upper extremity SSEP attenuates due to positioning is not necessarily clear and can be multifactorial, affecting the peripheral nerves or elements of the brachial plexus. A conduction block can occur at any point along the course of the nerve secondary to entrapment, compression, and ischemia...
June 2016: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/27373053/kathleen-mears-memorial-lecture-stay-relevant
#20
Janice Walbert
No abstract text is available yet for this article.
June 2016: Neurodiagnostic Journal
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