It's more than a career, it's a calling MO St. Mary's Hospital - St. Louis Worker Type: PRN Job Highlights: Join a team where your work matters-every moment, every patient, every community. You'll be empowered to grow, supported to thrive, and inspired to make a lasting impact. Apply today. We bring out the incredible in you, everyday. Job Summary: Assists with procedures to analyze, diagnose and treat the cardiovascular system.