Chapter 3 - The Cardiovascular System
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Cardiac arrhythmias in poorly performing Standardbred and Norwegian–Swedish Coldblooded trotters undergoing high-speed treadmill testing
2021, Veterinary JournalCitation Excerpt :RR intervals were then exported as csv files and then imported into Stata 15MP (StataCorp) for analysis of average peak heart rate at 3, 8, 15, 30 and 60 s and RR variability during HSET. Established criteria for resting arrhythmias were used to guide resting and exercising arrhythmia diagnoses (Schwarzwald et al., 2009). During all exercise periods, QRS morphologies of arrhythmic complexes were assessed as sinus, non-sinus or equivocal based on a subjective assessment of QRS width, height and QRS-T configuration relative to adjacent sinus depolarizations (Ryan et al., 2005; Jose-Cunilleras et al., 2006; Navas de Solis et al., 2016).
Sedative and Respiratory Effects of Intramuscular Detomidine and Butorphanol in Donkeys Sedated for Bronchoalveolar Lavage
2018, Journal of Equine Veterinary ScienceCitation Excerpt :One donkey of the present study showed a transient second degree AV block, which lasted about 5 minutes. The occurrence of second degree AV blocks has been documented in horses and donkeys following administration of α2-agonists as a result of the inhibition of sympathetic tone and a higher vagal tone; these AV blocks are normally well tolerated by animals without cardiovascular impairment [6,18,19]. Measurement of blood pressure in the studied donkeys was attempted but it was not successful.
Anesthesia and Analgesia for Foals
2018, Equine Surgery, Fifth EditionDisorders of the Cardiovascular System
2018, Equine Internal Medicine: Fourth EditionHyoscine-N-butylbromide premedication on cardiovascular variables of horses sedated with medetomidine
2014, Veterinary Anaesthesia and AnalgesiaCitation Excerpt :However, echocardiography was not considered an inferior method of measuring CO in dogs when compared with thermodilution (Uehara et al. 1995). In group C, the increase in MAP observed 2 minutes following medetomidine administration was similar to a previous report (Yamashita et al. 2000), but remained within the range of normal values for the species (Schwarzwald et al. 2009). The activity of α2-agonists on blood pressure has been intensively studied.
Cardiovascular system
2013, Equine Medicine, Surgery and Reproduction: Second Edition