cardiac adjustments to inotropic stimulation of the left side of the heart by continuous infusions of isoproterenol ( 0.6-0.8 microgram/min ) and calcium chloride ( 240 mumol/min ) into the left coronary artery were examined in open-chest pigs ( 17-36 kg ) anesthetized with pentobarbital sodium .
C0018787
cardiac
C1261082
left coronary artery