Welch Allyn Acuity Directions For Use Manual page 74

70 Chapter 4 Adjust monitoring settings and patient information
I. Measurement offset
J. J-points (green)
Welch Allyn Acuity Central Monitoring System
The point at which the ST-segment analysis is performed, as
determined by the number of ms or mV after the J-point.
Vertical green reference line intersects each beat at the J-point,
the end of QRS and the start of the ST segment.