ABSTRACT Considering that the use of tranquillizers could optimize the performance of the echocardiogram. this study aimed to evaluate the effect of protocols with acepromazine and fentanyl on the echocardiographic parameters of healthy dogs. besides their effect in systolic blood pressure (SBP). respiratory rate (RR). https://www.roneverhart.com/DigiWeigh-Notebook-Digital-Pocket-Scale-1000g-x-0-1g/