Summary
A QS pattern in the right precordial leads of the electrocardiogram was noted in a 9-year-old asymptomatic boy. Echocardiography revealed paradoxical movement of the interventricular septum, which showed interstitial myocardial fibrosis in the biopsy specimen and a defective uptake of thallium-201. Extensive myocardial fibrosis was probably a sequela of an attack of myocarditis in infancy.
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Onouchi, Z., Tamiya, H., Mizuno, S. et al. QS pattern in the right precordial leads of a child with extensive myocardial fibrosis following myocarditis. Pediatr Cardiol 9, 167–169 (1988). https://doi.org/10.1007/BF02080559
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DOI: https://doi.org/10.1007/BF02080559