Population
5 children with clinically similar primary myocardial disease and moderate-to-severe pulsus alternans.
Design
Case_series
Authors
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Pulsus alternans in pediatric myocardial disease may reflect alternating preload and impaired contractility; hypothesis-generating and requires prospective validation before clinical adoption.
In children with primary myocardial disease, pulsus alternans is associated with alternating end-diastolic volumes and pressures, suggesting impaired contractility as an etiological factor.
Harris et al. (1966) studied this question.
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