Ms. Boon helped start the ultrasound programs at the Veterinary Teaching Hospital in 1979. In 1980 she focused her interests on cardiac ultrasound and proceeded to publish normal echocardiographic reference ranges in dogs and cats. She received her graduate degree in Clinical Sciences at Colorado State University in 1984. She published the first and only reference book devoted to veterinary echocardiography in 1998. Veterinarians worldwide come to Colorado State University to receive training in echocardiography from the faculty, residents and staff in the Cardiology Department.