It is the first positive inotropic agent shown to act specifically and directly on calcium channels .
Bay K8644 targets Voltage - sensitive dihydropyridine ( DHP ) Calcium Channels ( L - Type ) .
Bay K8644 is the first positive inotropic agent shown to act specifically and directly on calcium channels .
Bay K8644 targets Voltage - sensitive dihydropyridine ( DHP ) Calcium Channels ( L - Type ) .