ST. LOUIS — McGrath & Associates has completed a renovation of the Missouri Baptist Medical Heart Center in St. Louis. The renovations totaled 16,000 square feet and included two physician office suites, a PET/CT imaging room and an outpatient testing area. An advanced nuclear imaging technique combines positron emission tomography (PET) and computed tomography (CT) into one machine. Christner served as the architect for the six-month project.