Population
22 children, comprising those with anxiety disorders (n=7) and normal controls (n=15).
Design
Case-control
Authors
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May inform TCA selection in anxious children; hypothesis-generating for arrhythmia risk.
Children with anxiety disorders exhibit increased QT variability and decreased heart rate variability, suggesting altered cardiac autonomic function that may be relevant when considering tricyclic antidepressant treatment.
Yeragani et al. (2001) studied this question.
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