dopamine alone ( 3 -- 4 mcg/kg/min ) caused an increase of cardiac output ( co ) from 3.2 to 4.6 l/min/m2 ( p less than 0.001 ) , snp ( 1 -- 1.5 mcg/kg/min ) raised the co to 3.7 l/min/m2 ( p less than 0.005 ) .
C0085128
increase
C0037533
snp