translate English to French: Pacing-induced tachycardia (6 Hz) of donor hearts promoted the release of vasodilator material, the fall in recipient heart pressure being 11.5 ± 1.8 mmHg.
La tachycardie, induite par stimulation (6 Hz), des coeurs donneurs facilita la libération de la substance vasodilatatrice, la chute de pression des coeurs receveurs étant de 11,5 ± 1,8 mmHg.