the effects of propranolol and reserpine pretreatment on myocardial ultrastructure , function and metabolism were studied during normothermic ischaemic arrest ( nica ) and reperfusion of the isolated working rat heart . beta-blockade as well as catecholamine depletion resulted in an increase in the percentage of totally ischaemic hearts which recovered mechanically upon reperfusion .
C0027061
myocardial
C0018787
hearts