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June 24, 2010Journal of Veterinary Internal MedicineOpen Access

Ventricular Arrhythmias during Race Recovery in Standardbred Racehorses and Associations with Autonomic Activity

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Why the study?

What are the heart rhythm variations during scheduled racing and recovery in clinically normal Standardbred horses?

Population

288 clinically normal Standardbred horses competing in 40 scheduled races

Design

Cohort

Follow-up

from harnessing to postrace recovery

Authors

PPPeter W. Physick‐SheardUniversity of GuelphMMM. Kimberly J. McGurrinUniversity of Guelph

Discussion

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Implication

CVA postrace in Standardbreds associate with deceleration; hypothesis-generating for vagal-mediated sudden death mechanisms, needs prospective confirmation.

Structured PICO

What are the heart rhythm variations during scheduled racing and recovery in clinically normal Standardbred horses?

P
Population
288 clinically normal Standardbred horses competing in 40 scheduled races
O
Outcome
Heart rhythm variations during scheduled racing and postrace recoverysurrogate

Arrhythmias occur frequently in racing Standardbreds during cardiac deceleration postrace, often associated with sudden increases in vagal tone, providing insight into possible mechanisms of sudden death.

Cite This Study

Physick‐Sheard et al. (2010) studied this question.

synapsesocial.com/papers/6a7cc1beb7ca9b673b7cd71chttps://doi.org/10.1111/j.1939-1676.2010.0553.x
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  5. 5Spontaneous Onset of Torsade de Pointes in Long-QT Syndrome and the Role of Sympathovagal Imbalance.2001 · 21 citations