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Thyrotoxic periodic paralysis complicated by syncope: normal sinus rhythm (ECG)

Electrocardiogram of a 45-year-old woman with thyrotoxic periodic paralysis during an episode, showing normal sinus rhythm with no ST elevation and positive U waves. (Source: Kaeley N, Ameena SM, Silpa S, Gangdev AM, Rajta M. Thyrotoxic periodic paralysis: an unusual cause of quadriparesis. Cureus 2022;14[9]:e29355. Creative Commons Attribution [CC-BY 4.0] license,

Associated Disorders

  • Endocrine ophthalmopathy
  • Graves disease
  • Graves ophthalmopathy
  • Hashimoto thyroiditis
  • Hoffmann syndrome
  • Hyperthyroid myopathy
  • Hypothalamic dysfunction
  • Hypothyroid myopathy
  • Kocher-Debre-Semelaigne syndrome
  • Pituitary dysfunction
  • Thyroid-associated ophthalmopathy
  • Thyrotoxic myopathy
  • Thyrotoxic ocular myopathy