the act or circumstance of proving or being proved conclusively, as by reasoning or a show of evidence: a belief incapable of demonstration. 2. something serving as proof or supporting evidence: They sent a check as a demonstration of their concern.
Code Yellow: Usually used for bomb threats. Code Purple: Child abduction, or when assistance is needed for a patient who is too heavy to transport. Code Pink: Infant or child abduction. Code Silver: Combative person with a weapon.
CCRN does not stand for critical care registered nurse. please see the aacn website for detailed information pertaining to the ccrn certification. ccrn stands for certified critical care registered nurse. to say that you are a critical care registered nurse implies that you have been  registered as a critical care nurse. this is not true. you have been  certified as a critical care nure. there is a huge difference. please see the aacn website for details.