About the unit 4 West is a 32 bed medical surgical unit located within Butterworth Hospital. This unit is the perfect place to gain experience as a new nurse and grow your career! The patient population on 4 West provides its employees the opportunity to learn about a variety of different conditions consisting of primarily hospitalist medicine patients with a wide variety of diagnosis, some of which include: pneumonia, sepsis, cellulitis, kidney failure, and hyperglycemia.