Thoracic outlet syndromes
Oct. 18, 2022
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Electrocardiogram of an adolescent in the setting of thyrotoxic periodic paralysis with hypokalemia (1.7 mEq/L), showing sinus tachycardia (110 beats per minute), inverted T wave (green arrow), and prominent U wave (red arrow). (Source: Yoon SH, Raza H. Thyrotoxic periodic paralysis: the peril of potassium replacement. Cureus 2022;14:e32926. Creative Commons Attribution [CC-BY 4.0] license, creativecommons.org/licenses/by/4.0.)