I take coreg with lisinopril to lower heart rate and lower blood pressure.
Coreg can lower the HR, and as you know, I very slow heart rate
can cause clots, and with MVR an individual is more vulnerable.
My docotor wants my BP as low as possible without side effects such as passing out!. And I believe the lowest possible BP is generally the goal as you stated. But coreg also effects the heart rate, so that enters the equation for optimal dosage.