Introduction
Throughout history, blood pressure has played an important role in medicine, especially in predicting and assessing risk. Despite its extensive use in clinical practice, blood pressure is still a developing field and a recent focus on blood pressure variability has prompted a contemporary review of this important topic.
Blood pressure was first determined in 1733 by Stephen Hales, when he measured the blood pressure of a horse with a water manometer. Subsequently, the Russian surgeon, Nicolai Korotkoff, described the changing sounds heard by the stethoscope during cuff deflation, giving birth to the Korotkoff method, which is st
