What do you mean by respiratory therapist careers and what is this field all about? You really need to get into the details of it to know what exactly it is all about. Basically, a respiratory therapist is the one who treats and cures lung diseases. Your basic job is to deal with patients suffering from lung problems. Well, you can get into this career by getting a masters degree or a bachelors degree in this field. You can get many jobs in this field as there is a lot of demand for good professionals. So, if you have completed your degree from an accredited school, you have high chances of getting a good job soon.