Can beta blockers increase heart rate?

Beta 2 is generally associated with smooth muscle relaxation (as in the bronchioles in the lungs) and dilation of blood vessels to skeletal muscles. Beta 1 is responsible for the increase in heart rate. Although beta 2 agonists like Albuterol are meant to trigger only the beta 2 in the lung, you may see a little cross reaction resulting in an increased heart rate. So, in a nut shell...no.