Effect of Different Formulations of Magnesium Chloride Used As Anesthetic Agents on the Performance of the Isolated Heart of .

Magnesium chloride (MgCl) is commonly used as a general anesthetic in cephalopods, but its physiological effects including those at cardiac level are not well-characterized. We used an isolated perfused systemic heart preparation from the common octopus, , to investigate: (a) if exposure to MgCl formulations had an effect on cardiac function and, if so, could this impact recovery and (b) direct effects of MgCl formulations on cardiac function. hearts removed from animals exposed to 3.