A hematoma is a larger collection of blood, usually caused by surgery, injury, or a greater trauma. Hematomas will usually reabsorb into the body, like a bruise. However, depending on the size, location and cause of the hematoma, the area may need to be drained surgically, or take a longer period of time to resolve.
Registered nurse. A Registered Nurse (RN) is a nurse who has graduated from a nursing program and met the requirements outlined by a country, state, province or similar licensing body in order to obtain a nursing license. An RN's scope of practice is determined by legislation, and is regulated by a professional body or council.
What is the Difference Between RN and LPN. In the hierarchy of the Nursing staff you may think that a nurse is just a nurse but there are a few things that you may need to know if you are considering a degree as a Registered Nurse or a Licensed Practical Nurse. Registered Nurse. A Registered Nurse or R.N. is at the top of the nursing staff.