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Latest News
- Characterization of post–exertional malaise in patients with ME/CFS
- An analysis of 2‐day cardiopulmonary exercise testing to assess unexplained fatigue
- Online talk: ME/CFS and long Covid in children & young people with Dr Nigel Speight, 24 Sep 2020
- Mitochondria & immunity in CFS
- Postviral fatigue syndrome and creatine: a piece of the puzzle?
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Tag Archives: Heart rate variability
Cardiopulmonary responses to exercise in an individual with ME/CFS during long-term treatment with intravenous saline: a case study
Cardiopulmonary responses to exercise in an individual with Myalgic Encephalomyelitis/Chronic Fatigue Syndrome during long-term treatment with intravenous saline: A case study by Todd E Davenport, Michael K Ward, Staci R Stevens, Jared Stevens, Christopher R Snell, J Mark VanNess, in … Continue reading
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Tagged Christopher R Snell, chronotropic intolerance, CPET, Heart rate variability, intravenous saline, IV saline, Jared Stevens, Michael K Ward, Prof Mark VanNess, Staci R Stevens, systolic blood pressure, Todd E Davenport, VO2
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Parasympathetic activity is reduced during slow-wave sleep, but not resting wakefulness, in patients with CFS
Parasympathetic activity is reduced during slow-wave sleep, but not resting wakefulness, in patients with chronic fatigue syndrome, by Scott J Fatt, Jessica E Beilharz, Michael Joubert, Chloe Wilson, Andrew R Lloyd, Uté Vollmer-Conna, Erin Cvejic in Clin Sleep Med. Vol 16, … Continue reading
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Tagged Andrew R Lloyd, autonomic hypervigilance, Chloe Wilson, Erin Cvejic, Heart rate variability, HRV, Jessica E Beilharz, Michael Joubert, reduced parasympathetic signaling, Scott J Fatt, sleep dysfunction, slow wave sleep, Ute Vollmer-Conna
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Reduced heart rate variability predicts fatigue severity in individuals with CFS/ME
Reduced heart rate variability predicts fatigue severity in individuals with chronic fatigue syndrome/myalgic encephalomyelitis, by Rosa María Escorihuela, Lluís Capdevila, Juan Ramos Castro, María Cleofé Zaragozà, Sara Maurel, José Alegre & Jesús Castro-Marrero in Journal of Translational Medicine volume 18, Article number: 4 (2020) … Continue reading
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Tagged chronic fatigue, Heart rate variability, HRV, Jesús Castro-Marrero, José Alegre, Juan Ramos Castro, Lluís Capdevila, Maria Cleofé Zaragoza, Rosa María Escorihuela, Sara Maurel
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Autonomic markers, CFS & post-exertion states
Autonomic markers, chronic fatigue syndrome, and post-exertion states, by Fred Friedberg in Journal of Psychosomatic Research Vol 127, Dec 2019, [https://doi.org/10.1016/j.jpsychores.2019.109845] Article extracts: A large body of evidence suggests that autonomic imbalance, i.e., hyperactive sympathetic nervous system and hypoactive … Continue reading
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Tagged autonomic markers, Dr Fred Friedberg, Heart rate variability, HRV, PEM, Post-exertional malaise
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Autonomic function in ME & CFS: comparing self-report & objective measures
Autonomic dysfunction in myalgic encephalomyelitis and chronic fatigue syndrome: comparing self-report and objective measures, by Jane Kemp, Madison Sunnquist, Leonard A Jason, Julia L Newton in Clin Auton Res [Preprint 21 May 2019] Letter extracts: Myalgic encephalomyelitis (ME) and … Continue reading
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Tagged autonomic dysfunction, COMPASS, Composite Autonomic Symptom Scale, DePaul Symptom Questionnaire, DSQ, Heart rate variability, HRV, Jane Kemp, Madison L Sunnquist, Prof Julia Newton, Prof Leonard Jason
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Chronotropic Intolerance: an overlooked determinant of symptoms & activity limitation in ME/CFS?
Chronotropic intolerance: an overlooked determinant of symptoms and activity limitation in myalgic encephalomyelitis/chronic fatigue syndrome?, by Todd E. Davenport, Mary Lehnen, Staci R Stevens, J. Mark VanNess, Jared Stevens and Christopher R Snell in Front. Pediatr. 22 March 2019 Review … Continue reading
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Tagged 2-day CPET, Christopher R Snell, chronotropic intolerance, Heart rate variability, Jared Stevens, Mary Lehnen, PEM, Post-exertional malaise, Prof Mark VanNess, Staci R Stevens, Todd E Davenport
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Impairments in cognitive performance in CFS are common, not related to co-morbid depression but do associate with autonomic dysfunction
Impairments in cognitive performance in chronic fatigue syndrome are common, not related to co-morbid depression but do associate with autonomic dysfunction, by Lucy J Robinson, Peter Gallagher, Stuart Watson, Ruth Pearce, Andreas Finkelmeyer, Laura Maclachlan, Julia L Newton in PLoS … Continue reading
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Tagged cognitive dysfunction, depression, Heart rate variability, Laura Maclachlan, Lucy J Robinson, Peter Gallagher, Prof Andreas Finkelmeyer, Prof Julia Newton, Ruth Pearce, Stuart Watson
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Associations between clinical symptoms, plasma norepinephrine & deregulated immune gene networks in subgroups of adolescents with CFS
Associations between clinical symptoms, plasma norepinephrine and deregulated immune gene networks in subgroups of adolescent with Chronic Fatigue Syndrome, by Chinh Bkrong Nguyen, Surendra Kumar, Manuela Zucknick, Vessela N Kristensen, Johannes Gjerstad, Hilde Nilsen, Vegard BruunWyller, in Brain Behav Immun. 2018 … Continue reading
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Tagged CB Nguyen, CD4+ naïve T cells, Heart rate variability, Hilde Nilsen, Johannes Gjerstad, Manuela Zucknick, neuro-immune dysregulation, NorCAPITAL project, norepinephrine, pathway deregulation analysis, Surendra Kumar, Vegard Bruun Wyller, Vessela N Kristensen
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The effects of warm water immersion on people with CFS
The effects of warm water immersion on blood pressure, heart rate and heart rate variability in people with chronic fatigue syndrome, by Romy Parker, Zeenath Higgins, Zandiswa N.P. Mlombile, Michaela J. Mohr, and Tarryn L Wagner in S Afr J Physiother. 2018; … Continue reading
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Tagged Heart rate variability, hydrotherapy, Michaela J Mohr, Romy Parker, Tarryn L Wagner, warm water immersion, Zandiswa N. Mlombile, Zeenath Higgins
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Cerebral blood flow & heart rate variability predict fatigue severity in patients with CFS
Research abstract: Cerebral blood flow and heart rate variability predict fatigue severity in patients with chronic fatigue syndrome, by Jeff Boissoneault, Janelle Letzen, Michael Robinson, & Roland Staud in Brain Imaging Behav. 2018 May 31 [Epub ahead of print] Prolonged, … Continue reading
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Tagged arterial spin labeling, cerebral blood flow, Heart rate variability, Janelle Letzen, Jeff Boissoneault, Magnetic Resonance Imaging, Michael E Robinson, MRI, Roland Staud
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