Key result
Pericardial effusion is linked to electrical alternans in ~64% of canine cases.
Why the study?
The association between electrical alternans and pericardial effusion in dogs was not well characterized.
Is pericardial effusion associated with electrical alternans in dogs?
Comparison
Dogs with pericardial effusion vs dogs without pericardial disease
Design
Retrospective study
Authors
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Electrical alternans may suggest pericardial effusion in dogs; hypothesis-generating in this small retrospective series and requires prospective validation.
Is pericardial effusion associated with electrical alternans in dogs?
Electrical alternans is significantly associated with the presence of pericardial effusion in dogs.
John D. Bonagura (1981) studied this question. Electrical alternans was present in 64% of dogs with pericardial effusion compared to 1.5% of dogs without pericardial disease (P<0.01).
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