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Chorea in acute carbon monoxide intoxication

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Authors and Affiliations

  1. Neurology Department, Hospital de Santo António, Centro Hospitalar do Porto, Largo Professor Abel Salazar, 4099-001, Porto, Portugal

    Gonçalo Cação, Joel Freitas & Joana Damásio

  2. Internal Medicine Department, Hospital de Santo António, Centro Hospitalar do Porto, Porto, Portugal

    Sara Neves

  3. Hyperbaric Medicine Unit, Unidade Local de Saúde de Matosinhos, Porto, Portugal

    Oscar Camacho

Authors
  1. Gonçalo Cação
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  2. Joel Freitas
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  3. Sara Neves
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  4. Oscar Camacho
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  5. Joana Damásio
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Corresponding author

Correspondence to Joana Damásio.

Ethics declarations

This article does not contain any studies with human participants or animals performed by any of the authors. Informed consent was obtained from all individual participants included in the study.

Conflict of interest

The authors declare that they have no conflict of interest.

Electronic supplementary material

ESM 1

Axial brain CT scan without contrast enhancement performed at admission, with movement’s artefacts, showed a normal appearance, without noticeable basal ganglia lesions. (GIF 76 kb)

High Resolution Image (TIFF 164 kb)

ESM 2

First segment: Here we may observe the patient at the emergency department, under 100% face mask oxygen. He presents a generalized chorea with predominant craniocervical involvement. Choreic movements can also be observed at the face, superior and inferior limbs. On the left arm some of the choreic movements have a wide amplitude, resembling a ballistic appearance. At second 39 the patient obeys a simple command (close your eyes) but has difficulties with a complex one (turn your head to the left). We are not certain whether he cannot turn his head due to sleepiness or if the choreic cervical movements prevented him from correctly performing the task. Second segment: On the fourth day, at the ward, under O2 by nasal cannula. The patient is alert and presents no chorea or other movement disorders. (WMV 17740 kb)

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Cação, G., Freitas, J., Neves, S. et al. Chorea in acute carbon monoxide intoxication. Neurol Sci 39, 197–198 (2018). https://doi.org/10.1007/s10072-017-3124-1

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  • DOI: https://doi.org/10.1007/s10072-017-3124-1

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