Visensia® software is a computerized analysis software program designed as an adjunct to standard patient monitors or medical information systems. It operates by forming an aggregate score of patient status based on five vital signs; heart rate; respiratory rate; temperature; noninvasive blood pressure and arterial oxygen saturation. The aggregate score, the Visensia® Index, is displayed on a scale of 0-5, with 0 representing the normal end of the scale and 5 representing extreme physiological deterioration. An audible and visual alert is provided when the Visensia® index exceeds a threshold value for a period of time. The Visensia® Index is calculated whenever new data is received.