How Should Weak Right Foot Pulse And Temporary Blue Discoloration In The Little Toe Be Treated?

weak pulse in right foot pulse. recently had arteria transplant from right leg baby toe was turning blue,but now has good to decent color. my md says pulse is weak, but my vein dr.says everything is going fine. vein dr is highly regarted by his peers . practic at yale new haven in ct. i am 61 year female. who do i listen to.