Yamakawa, H Negative chronotropic effect of beta-blockade therapy reduces myocardial oxygen expenditure for nonmechanical work. [electronic resource] - Circulation Aug 1996 - 340-5 p. digital Publication Type: Journal Article ISSN: 0009-7322 Standard No.: 10.1161/01.cir.94.3.340 doi Subjects--Topical Terms: Adrenergic beta-Antagonists--pharmacologyAdultAnimalsBlood Pressure--drug effectsBlood Volume--drug effectsCardiac Output, Low--physiopathologyCardiac Pacing, ArtificialEnergy Metabolism--drug effectsFemaleHeart Rate--drug effectsHemodynamics--drug effectsHumansMaleMyocardium--metabolismOxygen Consumption--drug effects