![Figure 4. Cardiac index responses for both drugs alone and for their various combinations. The cardiac index response of eight patients having aortocoronary bypass surgery who received dobutamine at doses of 0, 1.25, 2.5, and 5 [micro sign]g [middle dot] kg-1[middle dot] min-1, and epinephrine at doses of 0, 10, 20, and 40 ng [middle dot] kg-1[middle dot] min-1. See “Results” for a discussion of significant changes.](https://asa2.silverchair-cdn.com/asa2/content_public/journal/anesthesiology/89/1/10.1097_00000542-199807000-00010/2/10ff4.png?Expires=1716539934&Signature=YH0TGmUEvE0hTgz4Sfd6PTRac7sC3Dn8g0sYRmiCv9arF6g61z2tvRpu7AY2B5jiyyTT7gfmiK~A~my0yb7w1pV0sicazviXR3-Hy5Ub~Zip1E13szqP2y~Kpkc7PrbtGaua5jBqiHbvk4vZpzGYDQu3gfSiTW0C40A1gQ-m-66Tsv5QWJhi~lJUtcdxuYLqbGGoC2jYsGtWgWrCZjvu2M28miYbqQtVp4v5S0DMykO6QnApQ5TBDWrahnT0n24JFrerzq3nGrL5cqzkUvQY8DYnfMbkguWn51MGIg6tkRIZBPAl3MO4~5a-BgujypJpQ2TRAFRl8KKRq3Swz-leHQ__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
Figure 4. Cardiac index responses for both drugs alone and for their various combinations. The cardiac index response of eight patients having aortocoronary bypass surgery who received dobutamine at doses of 0, 1.25, 2.5, and 5 [micro sign]g [middle dot] kg-1[middle dot] min-1, and epinephrine at doses of 0, 10, 20, and 40 ng [middle dot] kg-1[middle dot] min-1. See “Results” for a discussion of significant changes.
