Why the study?
Does cardiac disease affect QT-interval dispersion in dogs?
Population
81 dogs (68 with satisfactory traces: 32 normal and 36 with cardiac disease) from two hospitals
Comparison
Measurement of QT-interval dispersion using… vs Normal dogs vs. dogs with cardiac disease
Design
Preclinical
Authors
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Suggests limited diagnostic utility of QT dispersion in dogs; hypothesis-generating and should not yet change practice.
Does cardiac disease affect QT-interval dispersion in dogs?
In dogs, QT dispersion was not significantly affected by cardiac disease, though measurement errors may limit the accuracy of these findings.
Dennis et al. (2002) studied this question.
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