We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleChanges in the inotropic state of the left ventricle during isometric exercise.AuthorsGrossman, W; McLaurin, L P; Saltz, S B; Paraskos, J A; Dalen, J E; Dexter, LPublicationHeart, 1973, Vol 35, Issue 7, p697ISSN1355-6037Publication typearticleDOI10.1136/hrt.35.7.697