Intensive care medicine is basically a book or a magazine for doctors who take care of really sick people. These doctors are called "intensivists." The magazine has lots of articles and stories about how to take care of sick patients who need special help to stay alive.
The magazine talks about the different machines and medicines that the doctors use to help these patients. It also has stories about some patients who were really sick and how their doctors helped them get better.
The doctors who write articles for the magazine want to share their knowledge and experience with other doctors who work in intensive care units. This way, everyone can learn how to take care of patients better and help them get better faster.
So in short, it's like a special book that helps doctors who take care of really sick people by giving them information and stories about how to take better care of these patients.