A respiratory therapist works with individuals that have cardiopulmonary disorders such as asthma, emphysema, heart conditions, and infections such as pneumonia or bronchial chemical or smoke inhalation. You may work with premature babies and the elderly. You are required to assist the patient to maintain the appropriate oxygen levels. You will practice under the supervision of a physician, develop and modify patient care plans, care for people on life support, and respiratory care. You will use oxygen, oxygen mixtures, chest therapy, and aerosol medication, insert tubes in the patient's trachea, and connect them to a ventilator.

At minimum, you need and associate's degree to become licensed to work as a respiratory therapist. A bachelor's or master's degree is required for advancement. Courses generally entail science, human anatomy, chemistry, microbiology, and diagnostic procedures. Forty-eight states require licensure to practice as a respiratory therapist. Advanced certificates are typically required for advanced supervisory positions. According to the Bureau of Labor statistics, jobs are expected to grow by 19% through 2016, because of the growth in the middle aged and elderly population. Specifically, there will be growth in job roles in case management, disease prevention, emergency care, and early detection of pulmonary disorders.

There are many online schools that will allow you to continue to work while earning your certification as a respiratory therapist, so take advantage of a booming medical industry to increase your earning potential and work in a career that can help save a life.