Small group means lots of work without a lot of hands.
Workloads can get stressful, although you can always reach out if you need anything
Healthcare means 24/7 so there are "on-call" periods, equally divided. YOu aren't called on often, but it does happen.
The learning process is long and bumpy, so your first few months are usually a little stressful, even if it is self-induced.