Key result
Ephedrine successfully treated pulsus alternans in one cat and one dog, while withdrawal of a central line guidewire resolved the condition in the other dog.
Why the study?
Does ephedrine or guidewire withdrawal resolve pulsus alternans in dogs and cats under general anesthesia?
Case Report (n=3)
Does ephedrine or guidewire withdrawal resolve pulsus alternans in dogs and cats under general anesthesia?
Ephedrine or removal of mechanical triggers like guidewires can successfully treat pulsus alternans occurring during general anesthesia in dogs and cats.
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Pulsus alternans under anesthesia warrants cardiac evaluation in small animals; leaves open its mechanisms and relevance without known disease.
Nicholls et al. (2020) conducted a case report in Pulsus alternans during general anaesthesia (n=3). Ephedrine was evaluated on Return of normal pulse and synchronisation of heart and pulse rates. Ephedrine successfully treated pulsus alternans in one cat and one dog, while withdrawal of a central line guidewire resolved the condition in the other dog.