OUR knowledge of impulse patterns in the different types of afferent nerve fibres is based chiefly on animal experiments. It is true that Hensel and Boman 1 recorded action potentials from single ...

by slowing the propagation of the nerve impulse, and by reducing the rate of rise of the action potential. Epinephrine is a vasoconstrictor added to bupivacaine to slow absorption into the general ...