Why the study?
Does thyroid substitution resolve long QT interval and torsade de pointes in patients with hypothyroidism?
Population
2 patients with long QT interval, ventricular tachycardias of 'torsade de pointe' type, repeated ventricular…
Design
Case_series
Authors
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May resolve QT prolongation and torsades via thyroid replacement in hypothyroidism; leaves open generalizability beyond case reports.
Does thyroid substitution resolve long QT interval and torsade de pointes in patients with hypothyroidism?
Hypothyroidism should be considered a possible primary cause in cases with long QT syndrome, as thyroid substitution can normalize the QT interval and resolve arrhythmias.
Fredlund et al. (1983) studied this question.
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