author_facet Santilli, R.A.
Perego, M.
Crosara, S.
Gardini, F.
Bellino, C.
Moretti, P.
Spadacini, G.
Santilli, R.A.
Perego, M.
Crosara, S.
Gardini, F.
Bellino, C.
Moretti, P.
Spadacini, G.
author Santilli, R.A.
Perego, M.
Crosara, S.
Gardini, F.
Bellino, C.
Moretti, P.
Spadacini, G.
spellingShingle Santilli, R.A.
Perego, M.
Crosara, S.
Gardini, F.
Bellino, C.
Moretti, P.
Spadacini, G.
Journal of Veterinary Internal Medicine
Utility of 12‐Lead Electrocardiogram for Differentiating Paroxysmal Supraventricular Tachycardias in Dogs
General Veterinary
author_sort santilli, r.a.
spelling Santilli, R.A. Perego, M. Crosara, S. Gardini, F. Bellino, C. Moretti, P. Spadacini, G. 0891-6640 1939-1676 Wiley General Veterinary http://dx.doi.org/10.1111/j.1939-1676.2008.0127.x <jats:p><jats:bold>Background: </jats:bold> The 12‐lead surface ECG is validated for differentiating supraventricular tachycardias (SVT) in humans. Despite the description of SVT in veterinary medicine, no studies have analyzed the electrocardiographic features of this type of arrhythmias in dogs.</jats:p><jats:p><jats:bold>Objective: </jats:bold> To describe the specific electrocardiographic criteria used to differentiate the most common SVT in dogs.</jats:p><jats:p><jats:bold>Animals: </jats:bold> Twenty‐three dogs examined at Clinica Veterinaria Malpensa for SVT with the mechanism documented by electrophysiologic studies (EPS).</jats:p><jats:p><jats:bold>Methods: </jats:bold> Twelve‐lead electrocardiographic variables obtained from 14 dogs with orthodromic atrioventricular reciprocating tachycardia (OAVRT) and 9 dogs with focal atrial tachycardia (FAT) were compared.</jats:p><jats:p><jats:bold>Results: </jats:bold> Dogs with FAT had faster heart rates (278 ± 62 versus 229 ± 42 bpm; <jats:italic>P</jats:italic>= .049) and less QRS alternans (33 versus 86%; <jats:italic>P</jats:italic>= .022). P waves appeared during tachycardia in 22 dogs, with a superior axis in 100% of OAVRT and 22% of FAT (<jats:italic>P</jats:italic> &lt; .001). OAVRT was characterized by a shorter RP interval (85.0 ± 16.8 versus 157.1 ± 37.3 ms; <jats:italic>P</jats:italic> &lt; .001) and smaller RP/PR ratio (0.60 ± 0.18 versus 1.45 ± 0.52; <jats:italic>P</jats:italic> &lt; .001). Repolarization anomalies were present in 64% of OAVRT and no FAT (<jats:italic>P</jats:italic> &lt; .001). Multivariate analysis identified QRS alternans and a positive P wave in aVR during tachycardia as independent predictors of arrhythmia type.</jats:p><jats:p><jats:bold>Conclusion and Clinical Importance: </jats:bold> Electrocardiographic criteria used in people for differentiating SVT can also be applied in dogs.</jats:p> Utility of 12‐Lead Electrocardiogram for Differentiating Paroxysmal Supraventricular Tachycardias in Dogs Journal of Veterinary Internal Medicine
doi_str_mv 10.1111/j.1939-1676.2008.0127.x
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series Journal of Veterinary Internal Medicine
source_id 49
title Utility of 12‐Lead Electrocardiogram for Differentiating Paroxysmal Supraventricular Tachycardias in Dogs
title_unstemmed Utility of 12‐Lead Electrocardiogram for Differentiating Paroxysmal Supraventricular Tachycardias in Dogs
title_full Utility of 12‐Lead Electrocardiogram for Differentiating Paroxysmal Supraventricular Tachycardias in Dogs
title_fullStr Utility of 12‐Lead Electrocardiogram for Differentiating Paroxysmal Supraventricular Tachycardias in Dogs
title_full_unstemmed Utility of 12‐Lead Electrocardiogram for Differentiating Paroxysmal Supraventricular Tachycardias in Dogs
title_short Utility of 12‐Lead Electrocardiogram for Differentiating Paroxysmal Supraventricular Tachycardias in Dogs
title_sort utility of 12‐lead electrocardiogram for differentiating paroxysmal supraventricular tachycardias in dogs
topic General Veterinary
url http://dx.doi.org/10.1111/j.1939-1676.2008.0127.x
publishDate 2008
physical 915-923
description <jats:p><jats:bold>Background: </jats:bold> The 12‐lead surface ECG is validated for differentiating supraventricular tachycardias (SVT) in humans. Despite the description of SVT in veterinary medicine, no studies have analyzed the electrocardiographic features of this type of arrhythmias in dogs.</jats:p><jats:p><jats:bold>Objective: </jats:bold> To describe the specific electrocardiographic criteria used to differentiate the most common SVT in dogs.</jats:p><jats:p><jats:bold>Animals: </jats:bold> Twenty‐three dogs examined at Clinica Veterinaria Malpensa for SVT with the mechanism documented by electrophysiologic studies (EPS).</jats:p><jats:p><jats:bold>Methods: </jats:bold> Twelve‐lead electrocardiographic variables obtained from 14 dogs with orthodromic atrioventricular reciprocating tachycardia (OAVRT) and 9 dogs with focal atrial tachycardia (FAT) were compared.</jats:p><jats:p><jats:bold>Results: </jats:bold> Dogs with FAT had faster heart rates (278 ± 62 versus 229 ± 42 bpm; <jats:italic>P</jats:italic>= .049) and less QRS alternans (33 versus 86%; <jats:italic>P</jats:italic>= .022). P waves appeared during tachycardia in 22 dogs, with a superior axis in 100% of OAVRT and 22% of FAT (<jats:italic>P</jats:italic> &lt; .001). OAVRT was characterized by a shorter RP interval (85.0 ± 16.8 versus 157.1 ± 37.3 ms; <jats:italic>P</jats:italic> &lt; .001) and smaller RP/PR ratio (0.60 ± 0.18 versus 1.45 ± 0.52; <jats:italic>P</jats:italic> &lt; .001). Repolarization anomalies were present in 64% of OAVRT and no FAT (<jats:italic>P</jats:italic> &lt; .001). Multivariate analysis identified QRS alternans and a positive P wave in aVR during tachycardia as independent predictors of arrhythmia type.</jats:p><jats:p><jats:bold>Conclusion and Clinical Importance: </jats:bold> Electrocardiographic criteria used in people for differentiating SVT can also be applied in dogs.</jats:p>
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author Santilli, R.A., Perego, M., Crosara, S., Gardini, F., Bellino, C., Moretti, P., Spadacini, G.
author_facet Santilli, R.A., Perego, M., Crosara, S., Gardini, F., Bellino, C., Moretti, P., Spadacini, G., Santilli, R.A., Perego, M., Crosara, S., Gardini, F., Bellino, C., Moretti, P., Spadacini, G.
author_sort santilli, r.a.
container_issue 4
container_start_page 915
container_title Journal of Veterinary Internal Medicine
container_volume 22
description <jats:p><jats:bold>Background: </jats:bold> The 12‐lead surface ECG is validated for differentiating supraventricular tachycardias (SVT) in humans. Despite the description of SVT in veterinary medicine, no studies have analyzed the electrocardiographic features of this type of arrhythmias in dogs.</jats:p><jats:p><jats:bold>Objective: </jats:bold> To describe the specific electrocardiographic criteria used to differentiate the most common SVT in dogs.</jats:p><jats:p><jats:bold>Animals: </jats:bold> Twenty‐three dogs examined at Clinica Veterinaria Malpensa for SVT with the mechanism documented by electrophysiologic studies (EPS).</jats:p><jats:p><jats:bold>Methods: </jats:bold> Twelve‐lead electrocardiographic variables obtained from 14 dogs with orthodromic atrioventricular reciprocating tachycardia (OAVRT) and 9 dogs with focal atrial tachycardia (FAT) were compared.</jats:p><jats:p><jats:bold>Results: </jats:bold> Dogs with FAT had faster heart rates (278 ± 62 versus 229 ± 42 bpm; <jats:italic>P</jats:italic>= .049) and less QRS alternans (33 versus 86%; <jats:italic>P</jats:italic>= .022). P waves appeared during tachycardia in 22 dogs, with a superior axis in 100% of OAVRT and 22% of FAT (<jats:italic>P</jats:italic> &lt; .001). OAVRT was characterized by a shorter RP interval (85.0 ± 16.8 versus 157.1 ± 37.3 ms; <jats:italic>P</jats:italic> &lt; .001) and smaller RP/PR ratio (0.60 ± 0.18 versus 1.45 ± 0.52; <jats:italic>P</jats:italic> &lt; .001). Repolarization anomalies were present in 64% of OAVRT and no FAT (<jats:italic>P</jats:italic> &lt; .001). Multivariate analysis identified QRS alternans and a positive P wave in aVR during tachycardia as independent predictors of arrhythmia type.</jats:p><jats:p><jats:bold>Conclusion and Clinical Importance: </jats:bold> Electrocardiographic criteria used in people for differentiating SVT can also be applied in dogs.</jats:p>
doi_str_mv 10.1111/j.1939-1676.2008.0127.x
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imprint Wiley, 2008
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spelling Santilli, R.A. Perego, M. Crosara, S. Gardini, F. Bellino, C. Moretti, P. Spadacini, G. 0891-6640 1939-1676 Wiley General Veterinary http://dx.doi.org/10.1111/j.1939-1676.2008.0127.x <jats:p><jats:bold>Background: </jats:bold> The 12‐lead surface ECG is validated for differentiating supraventricular tachycardias (SVT) in humans. Despite the description of SVT in veterinary medicine, no studies have analyzed the electrocardiographic features of this type of arrhythmias in dogs.</jats:p><jats:p><jats:bold>Objective: </jats:bold> To describe the specific electrocardiographic criteria used to differentiate the most common SVT in dogs.</jats:p><jats:p><jats:bold>Animals: </jats:bold> Twenty‐three dogs examined at Clinica Veterinaria Malpensa for SVT with the mechanism documented by electrophysiologic studies (EPS).</jats:p><jats:p><jats:bold>Methods: </jats:bold> Twelve‐lead electrocardiographic variables obtained from 14 dogs with orthodromic atrioventricular reciprocating tachycardia (OAVRT) and 9 dogs with focal atrial tachycardia (FAT) were compared.</jats:p><jats:p><jats:bold>Results: </jats:bold> Dogs with FAT had faster heart rates (278 ± 62 versus 229 ± 42 bpm; <jats:italic>P</jats:italic>= .049) and less QRS alternans (33 versus 86%; <jats:italic>P</jats:italic>= .022). P waves appeared during tachycardia in 22 dogs, with a superior axis in 100% of OAVRT and 22% of FAT (<jats:italic>P</jats:italic> &lt; .001). OAVRT was characterized by a shorter RP interval (85.0 ± 16.8 versus 157.1 ± 37.3 ms; <jats:italic>P</jats:italic> &lt; .001) and smaller RP/PR ratio (0.60 ± 0.18 versus 1.45 ± 0.52; <jats:italic>P</jats:italic> &lt; .001). Repolarization anomalies were present in 64% of OAVRT and no FAT (<jats:italic>P</jats:italic> &lt; .001). Multivariate analysis identified QRS alternans and a positive P wave in aVR during tachycardia as independent predictors of arrhythmia type.</jats:p><jats:p><jats:bold>Conclusion and Clinical Importance: </jats:bold> Electrocardiographic criteria used in people for differentiating SVT can also be applied in dogs.</jats:p> Utility of 12‐Lead Electrocardiogram for Differentiating Paroxysmal Supraventricular Tachycardias in Dogs Journal of Veterinary Internal Medicine
spellingShingle Santilli, R.A., Perego, M., Crosara, S., Gardini, F., Bellino, C., Moretti, P., Spadacini, G., Journal of Veterinary Internal Medicine, Utility of 12‐Lead Electrocardiogram for Differentiating Paroxysmal Supraventricular Tachycardias in Dogs, General Veterinary
title Utility of 12‐Lead Electrocardiogram for Differentiating Paroxysmal Supraventricular Tachycardias in Dogs
title_full Utility of 12‐Lead Electrocardiogram for Differentiating Paroxysmal Supraventricular Tachycardias in Dogs
title_fullStr Utility of 12‐Lead Electrocardiogram for Differentiating Paroxysmal Supraventricular Tachycardias in Dogs
title_full_unstemmed Utility of 12‐Lead Electrocardiogram for Differentiating Paroxysmal Supraventricular Tachycardias in Dogs
title_short Utility of 12‐Lead Electrocardiogram for Differentiating Paroxysmal Supraventricular Tachycardias in Dogs
title_sort utility of 12‐lead electrocardiogram for differentiating paroxysmal supraventricular tachycardias in dogs
title_unstemmed Utility of 12‐Lead Electrocardiogram for Differentiating Paroxysmal Supraventricular Tachycardias in Dogs
topic General Veterinary
url http://dx.doi.org/10.1111/j.1939-1676.2008.0127.x