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121 Possible Causes for Triphasic Waves

  • Hypothyroidism

    Abstract We present the case of a 29-year-old woman who developed a severe hypothyroidism induced by a thyroxine malabsorption and a secondary pituitary hyperplasia. We performed thyroxine absorption tests to diagnose the malabsorption and to evaluate the best therapeutic intervention. Once assessed a[…][]

  • Hashimoto Thyroiditis

    Anorexia nervosa (AN) is typically associated with altered thyroid function tests, notably a low total and free T3, and lower, but within normal range, free T4 and TSH. A 16-year-old girl with a four-year history of AN presented with elevated TSH that fluctuated with changes in weight. TSH was within normal limits[…][]

  • Dementia

    † Deceased. From University of Minnesota, Minneapolis, Minnesota; Brown University, Providence, Rhode Island; and Minneapolis VA Health Care System and HealthPartners, Minneapolis, Minnesota. Disclaimer: Findings and conclusions are those of the authors, who are responsible for the article's contents; findings and[…][]

  • Hyperthyroidism

    Thyrotoxicosis has multiple etiologies, manifestations, and potential therapies. Appropriate treatment requires an accurate diagnosis and is influenced by coexisting medical conditions and patient preference. This article describes evidence-based clinical guidelines for the management of thyrotoxicosis that would be[…][]

  • Hepatic Encephalopathy

    waves (5 cycles/s) 2 Lethargy, slow responses Asterixis, dysarthria, ataxia and hypoactive reflexes Triphasic waves (5 cycles/s) 3 Somnolence but rousable, confusion Disorientation[] Electroencephalography may demonstrate triphasic waves.[] […] as regards place; amnesia; disinhibited; and inappropriate behaviour Asterixis, hyperactive reflexes, Babinski's sign and muscle rigidity Triphasic waves (5 cycles/s) 4 Coma[]

  • Metabolic Encephalopathy

    Confusion, seizures, slow EEG with triphasic waves, peripheral asterixis, and myoclonus Polyneuropathy seen in hepatic disease is often associated with what?[] Slow activity that is prominent frontally, with deep triphasic waves (in the 2- to 4-Hz range), is characteristic of hepatic encephalopathy but can be seen in renal failure[] Furthermore, in these cases, other epileptic patterns in the form of spikes or sharp waves can also be detected. [39] However, triphasic waves are not specific only for hepatic[]

  • Coma

    VIEW AND REVIEW Coma scales: a historical review Escalas de coma: uma revisão histórica Ana Luisa Bordini I ; Thiago F. Luiz I ; Maurício Fernandes I ; Walter O. Arruda II ; Hélio A.G. Teive III I Medical Students, Hospital de Clínicas, Federal University of Paraná, Curitiba PR, Brazil II Associate Professor of Neurology,[…][]

  • Encephalopathy

    *Hepatic encephalopathy is reversible with treatment. 9.  Triphasic has been associated with a wide range of toxic, metabolic, and structural abnormalities.  Triphasic waves[] Electroencephalogram (EEG): may show high-amplitude low-frequency waves and triphasic waves but these findings are not specific for hepatic encephalopathy, although recent[] *A patient with acute change in awareness whose EEG shows triphasic waves and diffuse slow activity will usually have a metabolic encephalopathy.[]

  • Uremic Encephalopathy

    The EEG background in uremic encephalopathy demonstrates bilateral, frontal-predominant slow activity, which may include diphasic and triphasic waves. 3 Photomyoclonic and[] Furthermore, in these cases, other epileptic patterns in the form of spikes or sharp waves can also be detected. [39] However, triphasic waves are not specific only for hepatic[] […] and spike-waves during hyperventilation (HV). [38] In patients with cirrhosis, in addition to diffuse slow activity (theta and delta), triphasic waves with bifrontal predominance[]

  • Creutzfeldt Jakob Disease

    An electroencephalogram showed bilateral periodic triphasic waves on a slow background. The diagnosis of probable Creutzfeldt-Jakob disease was made.[] Typical periodic bilateral triphasic sharp wave complexes on EEG did not appear until the 16th week after initial symptom presentation.[] Characteristic EEG features of sCJD are 1 Hz biphasic or triphasic periodic sharp wave complexes (PSWCs), but these EEG findings are typically not present in the early phase[]

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