Dexmedetomidine in Healthy Dogs: Impact on Electrocardiographic Parameters

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Clinical trial shows dexmedetomidine alters heart rate and ECG parameters in healthy dogs, indicating implications for anesthesia.

Intravenous dexmedetomidine results in significant bradycardia and altered electrocardiographic parameters in dogs.
Key changes noted include increased P wave duration from 44 to 51 ms and QRS complex from 62 to 67 ms, among others.
This prospective clinical trial monitored ECGs before and after dexmedetomidine administration in 22 healthy dogs.
The findings highlight the impact on heart rate and conduction times, suggesting careful monitoring is needed during use.

Bispo et al. (2025) studied this question.

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