Circulatory collapse is a medical term that refers to a sudden drop in blood pressure that results in the failure of the circulatory system. This condition is a medical emergency that requires immediate attention as it can lead to organ failure and death. There are many synonyms for circulatory collapse, including cardiogenic shock, hypotensive crisis, vascular collapse, acute circulatory failure, and shock. These terms are often used interchangeably to describe a condition that involves the sudden failure of the circulatory system. Regardless of the term used, it is important to recognize the signs and symptoms of circulatory collapse and seek medical help immediately.