2020
DOI: 10.1590/2175-8239-jbn-2019-0020 View full text |Buy / Rent full text
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Abstract: This study reports a case of a 13-year-old male with a 3-year history of severe and intermittent hypokalemia episodes of unknown origin, requiring admission to the intensive care unit (ICU) for long QT syndrome (LQTS), finally diagnosed of redistributive hypokalemia secondary to the abuse of β-adrenergic agonists in the context of a probable factitious disorder.

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“…Hypokalemia, by definition, is a plasma potassium level under 3.5 mmol/L, and the related mortality risk rises considerably when plasma potassium levels drop lower than 2.5 mmol/L [ 21 ]. The mechanism may be due to extrarenal potassium loss (usually GI), which is the most common cause in children, redistribution to the intracellular space, or renal potassium loss [ 22 ].…”
Section: Discussionmentioning