Recurrent pulseless electrical activity and cardiac arrest caused by baroreceptor failure following neck irradiation

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Yaxley, J
Scott, T
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2019
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Abstract

Introduction: Baroreceptor damage and hypersensitivity can produce labile autonomic blood pressure control. Neck irradiation for malignancy is a well-known but under-recognised cause of baroreceptor failure. Case presentation: We describe a dramatic delayed complication of neck irradiation treatment. Our patient developed recurrent unexplained hypotension and pulseless electrical activity cardiac arrest upon connection to intermittent haemodialysis, which he had previously tolerated uneventfully until exposure to radiotherapy. Conclusion: No other cause was identified, and this case thus highlights baroreflex dysfunction as an important differential diagnosis in patients with profound hypotension.

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Turkish Journal of Emergency Medicine

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19

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4

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© The Author(s) 2019. This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International (CC BY-NC-ND 4.0) License, which permits unrestricted, non-commercial use, distribution and reproduction in any medium, providing that the work is properly cited.

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Clinical sciences

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Yaxley, J; Scott, T, Recurrent pulseless electrical activity and cardiac arrest caused by baroreceptor failure following neck irradiation, Turkish Journal of Emergency Medicine, 2019, 19 (4), pp. 1-2

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