User`s guide

Understanding the Extended Measurements Report
PageWriter 200/300pi M1771A/1770A Cardiograph 3-17
3
The following are parameters given for each rhythm group detected by the
PageWriter 200/300pi during the analysis interval.
Table 3-4: Group Measurements
Parameter
Units or
Va lu e
Description
Member Count N/A Number of beats in the rhythm group.
Member% percentage Percentage of the total number of beats rep-
resented by the rhythm group.
Longest Run N/A Longest contiguous run of beats in the
rhythm group.
Mean QRS
Duration
milliseconds Average QRS duration in the rhythm group.
Low Ventr Rate beats per
minute
Lowest ventricular rate in the rhythm group.
Mean Ventr
Rate
beats per
minute
Average ventricular rate in the rhythm group.
High Ventr Rate beats per
minute
Highest ventricular rate in the rhythm group.
V-Rate Std.
Dev.
N/A Standard deviation of the ventricular rate in
the rhythm group.
Mean RR Inter-
val
milliseconds Average interval between R waves in the
rhythm group.
Mean Atrial
Rate
N/A Average atrial rate in the rhythm group.
A-Rate Std.
Dev.
N/A Standard deviation of the atrial rate in the
rhythm group.
Avg. P Count N/A Average number of P waves per QRS com-
plex in the rhythm group.
# Not Avg P
Beats
N/A Number of QRS complexes in the rhythm
group which do not have the average number
of P waves per QRS complex.