Progressive care nurse, PCU RN, PCU, progressive care, progressive care unit, patient care, PCU nurse, nurse, nursing, RN, R.N., registered nurse, healthcare, health care, hospital, step down nurse, telemetry nurse, ER holding To qualify, you need an active Massachusetts RN license, graduation from an accredited nursing program, and at least 3 years of recent acute care experience in specialties such as neuro, cardiovascular, trauma, intermediate care, med-surg, or ICU.