When the Texas and New Orleans and Angelina and Neches River railroads were built around the turn of the century, other new towns sprang into life, including Garrison and Appleby. The construction of the railroads also spurred the development of the lumber industry, which emerged at the end of the nineteenth century as one of Nacogdoches County's most important industries.
Echo technicians are ultrasound technicians who have specialized in using echocardiogram technology to produce images of patient's hearts. This field requires an associate's degree in medical sonography, and further specialization within the field is possible.
Day to Day Responsibilities of an Ultrasound Tech. An ultrasound technician is a medical assistant or diagnostic sonography professional who maintains and operates ultrasound machinery in a hospital, doctorâs office, or health clinic.Ultrasound machines are used for both diagnostic and treatment of various medical conditions, as well as for preventive treatment.ay to Day Responsibilities of an Ultrasound Tech. An ultrasound technician is a medical assistant or diagnostic sonography professional who maintains and operates ultrasound machinery in a hospital, doctorâs office, or health clinic.