Unusually High Pacemaker Threshold in Severe Myxedema

Basu, D; Chatterjee, Kanu

doi:10.1378/chest.70.5.677

Cited by 17 publications

(2 citation statements)

References 6 publications

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“…Hypothyroidism causing myxedema cardiomyopathy has been reported to lead to increased ventricular pacing thresholds, an effect that is reversible with thyroid hormone replacement 7–9 . To our knowledge, hypothyroidism causing a selective increase in the atrial pacing threshold has not previously been described.…”

Section: Discussionmentioning

confidence: 89%

Atrial Lead Dysfunction: An Unusual Feature of Hypothyroidism

Patton

Levy

Viswanathan

2008

Pacing Clinical Electrophis

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Section: Discussionmentioning

confidence: 89%

Atrial Lead Dysfunction: An Unusual Feature of Hypothyroidism

Patton

Levy

Viswanathan

2008

Pacing Clinical Electrophis

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“…In one small series, Preston and co-workers 1 documented a transient 30-40% increase in pacemaker threshold caused by sleeping and eating, while exercise-related increases in sympathetic tone resulted in an approximately 24% reduction in threshold. Additionally, a variety of metabolic and electrolyte disorders can also change the stimulation threshold, such as acid -base status, 2 thyroid function, 3 myocardial ischemia, post-cardioversion 4 or serum potassium concentration. 5 Otherwise, drugs also play an important role.…”

Section: Discussionmentioning

confidence: 99%

Letter to the Editor

Huang

Tuan

Lin³

et al. 2003

Lupus

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When No One Notices: Disorders of Consciousness and the Chronic Vegetative State

Fins¹

2019

Hastings Center Report

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On January 5, 2019, the Associated Press reported that a woman thought to have been in the vegetative state for over a decade gave birth at a Hacienda HealthCare facility. Until she delivered, the staff at the Phoenix center had not noticed that their patient was pregnant. The patient was also misdiagnosed. Misdiagnosis of patients with disorders of consciousness in institutional settings is more the norm than the exception. Misdiagnosis is also connected to a broad and extremely significant change in the understanding of the vegetative state—a change that the field of bioethics has not yet fully taken into account. In September 2018, the American Academy of Neurology, the American College of Rehabilitation Medicine, and the National Institute on Disability, Independent Living, and Rehabilitation Research issued a comprehensive evidence‐based review on disorders of consciousness and an associated practice guideline on the care of these patients. These landmark publications update the 1994 Multi‐Society Task Force Report on the Vegetative State, which subcategorized the persistent vegetative state as either persistent (once the vegetative state lasted one month) or permanent (once the vegetative state lasted three months after anoxic injury or twelve months after traumatic injury). Noting that 20 percent of patients thought to be permanently unconscious might regain some level of consciousness, the new guideline has eliminated the permanent vegetative state as a diagnostic category, replacing it with the chronic vegetative state.

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Unusually High Pacemaker Threshold in Severe Myxedema

Cited by 17 publications

References 6 publications

Atrial Lead Dysfunction: An Unusual Feature of Hypothyroidism

Atrial Lead Dysfunction: An Unusual Feature of Hypothyroidism

Letter to the Editor

When No One Notices: Disorders of Consciousness and the Chronic Vegetative State

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