Statistical analysis of QT/RR hysteresis in healthy horses
Language English Country United States Media print
Document type Journal Article
- MeSH
- Data Interpretation, Statistical MeSH
- Horses physiology MeSH
- Models, Cardiovascular * MeSH
- Computer Simulation MeSH
- Reference Values MeSH
- Reproducibility of Results MeSH
- Sensitivity and Specificity MeSH
- Heart Rate physiology MeSH
- Models, Statistical MeSH
- Animals MeSH
- Check Tag
- Animals MeSH
- Publication type
- Journal Article MeSH
The paper describes experiments and their results that offered an insight to relationship between RR and QT intervals in equine ECG signals recorded under various conditions. In contrast to human heart in a great number of cases the QT intervals prolonged with a heart rate acceleration. Peak-to-peak differences between maximum and minimum RR intervals during the excitation response in non-standard responses were twice as smaller as in standard responses and the lengths of QT intervals were significantly longer in the non-standard records. This fact means that the electrical processes in equine heart ventricles must be controlled by different mechanisms than in human heart.
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