Postural Orthostatic Tachycardia Syndrome and Austism Spectrum Disorder
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Copyright (c) 2025 Revista de Psiquiatría Infanto-Juvenil

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https://doi.org/10.31766/revpsij.v42n2a6Keywords:
POTS syndrome, autonomic nervous system dysfunction, autism spectrum disorderAbstract
Introduction: Studies on the function of the autonomic nervous system in patients with autism spectrum disorder show a higher prevalence of autonomic nervous system dysfunction with greater sympathetic excitation. Among the different forms of autonomic nervous system dysautonomia, we find postural orthostatic tachycardia syndrome. Case description: We present the case of an adolescent diagnosed with autism spectrum disorder who, during a hospital admission, presented tachycardia, sweating, bluish discoloration of the extremities and marked asthenia. Assessed by the Cardiology Unit during admission, treatment with bisoprolol was initiated and aripiprazole was withdrawn. The symptoms, although intermittent, persisted over time, and the patient was referred to an arrhythmia unit. A tilt table test was performed, and the patient was diagnosed with postural orthostatic tachycardia syndrome. Conclusions and Discusion: Patients with autism spectrum disorder have a higher prevalence of autonomic nervous system dysfunction.
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