Welch Allyn Cardioperfect Workstation, PEDMEANS ECG Interpretation Module - Physicians - User Manual - Manual (Page 10)

CardioPerfect Workstation
PEDMEANS ECG Interpretation Module Physicians Manual
DIR 80015051 Rev. C 10 / 55
The parameters that are computed for each lead separately are shown in Table 2. All amplitudes are
taken as absolute values.
Table 2. Lead-dependent parameters for the contour classification.
Name Description
Delta wave Slurring of the initial part of the QRS complex.
Negative J amplitude Amplitude of a negative J point (in µV).
Positive J amplitude Amplitude of a positive J point (in µV).
Negative P amplitude Amplitude of the negative deflection of the P wave (in µV).
Positive P amplitude Amplitude of the positive deflection of the P wave (in µV).
P notch Notch in the positive deflection of the P wave
Q amplitude Maximum amplitude of the Q wave (in µV).
Q duration Duration of the Q wave (in ms).
Negative QRS amplitude Amplitude of the largest negative deflection of the QRS complex
(in µV).
Positive QRS amplitude Amplitude of the largest positive deflection of the QRS complex
(in µV).
QS pattern QRS complex consisting of a Q wave only.
R amplitude Maximum amplitude of the R wave (in µV).
R duration Duration of the R wave (in ms).
R notch Notch in the positive deflection of the QRS complex.
R

amplitude Maximum amplitude of the R

wave (in µV).
RS ratio Ratio of the maximum amplitudes of the R and S waves.
S amplitude Maximum amplitude of the S wave (in µV).
S duration Duration of the S wave (in ms).
S

amplitude Maximum amplitude of the S

wave (in µV).
ST slope Slope of the ST segment (in µV/100 ms).
Negative T amplitude Amplitude of the negative deflection of the T wave (in µV).
Positive T amplitude Amplitude of the positive deflection of the T wave (in µV).