Tell Me How Career Series - Career Education and Opportunities for Young People. Recommended for both School, Public Libraries and Guidance Offices. The Tell Me How series is a necessary addition to any library, guidance center of school curriculum. It explores a large number of career opportunities for young people and features real people doing real jobs. In this program host Melody Young visits a cardiac technician and learns about the career opportunities in medicine besides becoming a doctor or a nurse. Subjects Covered Include: What education is necessary to become a medical technician? What courses are important? What is an ultrasound? Why do they use an ultrasound to see inside a person's body? Do ultrasound machines hurt? What is a heart monitor? Why do doctors use heart monitors on their patients? Is science important to becoming a medical technician? Where do medical technicians work? What is anatomy? How many chambers does a human heart have? What is an echocardiagram?