The term "nurse's signal" refers to the bell or buzzer that a patient can use to call for assistance from a nurse. There are numerous synonyms for this term, including call bell, nurse call button, patient call system, patient alarm, nurse alarm, and patient call bell. These signals are a crucial part of any healthcare facility, providing patients with a means to request help when they need it, and allowing nurses to respond quickly to urgent situations. With the advancements in technology, modern nurse's signals are often integrated into a larger communication system that includes electronic patient records, video monitoring, and other tools to improve the quality of care provided to patients.