myocardial k+ balance was continuously computed before , during and after a 90 s occlusion of a branch of the circumflex artery during control ( ctr ) , during pacing tachycardia ( pace : 34 % increase in heart rate ) , during proximal aortic constriction ( ac ; 28 % increase in lvsp ) , and during isoprenaline infusion ( iso ; 135 % increase in lvdp/dt and 35 % increase in heart rate ) .
C0039231
tachycardia
C0022245
isoprenaline