29...been a basic for two years so by no means am I an expert. However this is my advise....Always be willing to learn. Whether you've heard it before or not always be willing to listen both to your co-workers and bosses and more importantly...your patients. Reread anything you're not familiar with or have forgotten. And don't try to be a hero. This job is about teamwork. You succeed as a team. You fail as a team.
Breathe ..... The adrenalin rush you get going to calls/ on calls will eventually wear off. It is normal to be scared/ nervous/ anxious when you are new. It is normal to feel you are not ready or properly educated(because you aren't but that is a topic for another thread and not your fault). With time and experience you will build confidence and wonder why you were so nervous in the first place.