Population
Experimental heart model (specific species not stated in abstract)
Comparison
Application of very late premature beats at… vs Steady heart rate (baseline)
Design
Preclinical
Authors
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Animal data link electromechanical timing to alternans heterogeneity; leaves open relevance for human arrhythmia mechanisms.
The study demonstrates that biventricular differences in mechanical alternans are related to the electromechanical coupling interval.
Hasin et al. (1979) studied this question.
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