User`s guide
Understanding the Extended Measurements Report
3-10 Understanding ECG Analysis and the Predictive Instruments Applications
P AREA Ashman 
units
(40 ms x 0.1 
mV)
P wave area for monophasic P waves or the area 
of the initial portion of a biphasic P wave.
P NOTCH Yes or No Indicates the presence or absence of a notch in the 
P wave.
P’ AMP millivolts P’ wave amplitude
P’ DUR milliseconds P’ wave duration
P’ AREA Ashman 
units
(40 ms x 0.1 
mV)
Area of the terminal portion of a biphasic P wave.
Q AMP millivolts Q wave amplitude
Q DUR milliseconds Q wave duration
R AMP millivolts R wave amplitude
R DUR milliseconds R wave duration
S AMP millivolts S wave amplitude
S DUR milliseconds S wave duration
R’ AMP millivolts R’ wave amplitude
R’ DUR milliseconds R’ wave duration
S’ AMP millivolts S’ wave amplitude
S’ DUR milliseconds S’ wave duration
QRSAREA Ashman 
units
(40 ms x 0.1 
mV)
The area of the QRS complex.
Table 3-1:  Individual Lead Measurements  (Continued)
Parameter
Units or 
Va lue
Description










