Additional Information About the Role. Are you a. Vascular Sonographer. This might be the perfect opportunity for you. Join a great team in our Vascular Lab at. Christian Hospital. PRN. Hours. M-F 0700-1700 and Saturday 0630-1500. Must Be Licensed RVT, RVS. NO CALL. Overview. Christian Hospital. has been serving St. Louis and the surrounding metro areas since 1903. U.S. News & World Report ranks Christian Hospital No. 5 in St. Louis for overall c...