Title : The effect of extracellular Ca2+ and related ions on the cardiac action of milrinone.

Pub. Date : 1988 May

PMID : 2455846






8 Functional Relationships(s)
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1 The effect of extracellular Ca2+ and related ions on the cardiac action of milrinone. Milrinone carbonic anhydrase 2 Homo sapiens
2 The biphasic single dose, dose-response curve of milrinone was sensitive to [Ca2+]0. Milrinone carbonic anhydrase 2 Homo sapiens
3 The inotropic response to milrinone in contrast to norepinephrine is highly sensitive to the extracellular [Ca2+]0. Milrinone carbonic anhydrase 2 Homo sapiens
4 At low [Ca2+]0 of 0.15 mM milrinone could produce a negative inotropic effect. Milrinone carbonic anhydrase 2 Homo sapiens
5 The positive inotropic effect of milrinone was proportional to [Ca2+]0 up to 2.7 mM. Milrinone carbonic anhydrase 2 Homo sapiens
6 With [Ca2+]0 above 3.6 mM and low [Na+]0, the inotropic response to milrinone was reduced. Milrinone carbonic anhydrase 2 Homo sapiens
7 The results are discussed and it is suggested that milrinone acts on Ca2+ channels in the sarcolemma and intracellularly by increasing cyclic AMP which activates Ca2+ release and uptake from the sarcoplasmic reticulum. Milrinone carbonic anhydrase 2 Homo sapiens
8 The results are discussed and it is suggested that milrinone acts on Ca2+ channels in the sarcolemma and intracellularly by increasing cyclic AMP which activates Ca2+ release and uptake from the sarcoplasmic reticulum. Milrinone carbonic anhydrase 2 Homo sapiens