TABLE 1

Effect of U46619 infusion on systemic and pulmonary arterial pressure and on cardiac output Values are mean ± S.E.

	Systemic Arterial Pressure	Pulmonary Arterial Pressure	Cardiac Output
	mm Hg		ml/min
Control	90 ± 7	18 ± 1	108 ± 5
U46619 infusion	87 ± 4	32 ± 1^*	92 ± 8^*
n = 9–17