cath lab technologist, cardiac, invasive cardiac, diagnostic reports, cardiac cath lab, cath lab, allied, allied health, healthcare, health care, cath, catheterization, hospital, medical, patient care, RCVT, cath lab tech A city of about 100,000 residents located 100 miles southeast of the Dallas-Fort Worth metro area, Tyler, Texas is the self-called "Rose Capital of the World," where you’ll find the largest rose garden in the United States.