You can shadow thru volunteering, apply to a few local hospitals. Each hospital has its own requirements to become a volunteer some might ask you to take quizzes other have immunization done(which is free), etc. One you are accepted, volunteer at the ER. There you will see many nurses and patients, doctors, techs, etc. It would be a great experience. Also don't be discouraged by volunteering requirements such as a minimum of 100 hours, etc. I saw some volunteers show up for a few days only and drop it. Best of luck in your journey. If you consider accelerated program keep in mind that some require prerequisites.