Why the study?
Is the Q-T interval a reliable indicator of active carditis in children with tuberculosis?
Population
Children with tuberculosis
Design
Cross-sectional
Authors
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QT prolongation in childhood TB should not prompt carditis evaluation; cross-sectional data leaves open need for longitudinal studies.
Is the Q-T interval a reliable indicator of active carditis in children with tuberculosis?
Prolongation of the Q-T interval in children with tuberculosis is common and should not be reliably used as an indicator of active carditis.
Fox et al. (1950) studied this question.
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