Mintek Pacemaker LV-T User Manual download pdf (Page 125)

Stratos LV/LV-T Technical Manual 117

2.22.2 Activity Report

This feature operates by recording characteristic pulse

generator data related to patient activity and pacing the

system. It is divided into three ranges:

• No Activity

• Activity

• MAR (Maximum Activity Rate)

This data can assist in the analysis of heart and sensor activity.

For example, a high value for the activity may indicate that the

sensor gain is set too high. In contrast, an extremely low value

for activity may indicate that the sensor gain is too low. All

values are expressed as percentages.

2.22.3 Sensor Optimization

The sensor optimization is displayed in the form of a line graph

containing the length of the time intervals and the trend data.

The sensor parameters are simulated and displayed as a trend.

The thicker line represents the recorded (intrinsic) trend) and the

thinner line the simulated (sensor) trend. A movable cursor

simplifies the reading of the intrinsic and the sensor trends.

2.23 Sensing Statistics

P-Wave Trend

This is the display of the sensitivity course in the atrium. The

P-wave trend is displayed in the form of a line chart. This P-

wave trend is a rolling, long-term trend with the programmed

resolution of 45 s – 36 h. Therefore, the 240 time windows with

the 36 h recording periods result in actual recordings for

approximately one year. The P-wave trend can record

amplitudes from 0.0 to 20 mV.

The trend is only displayed when sensed events are present.

During paced events, in the temporary program, or in the magnet

“asynchronous” mode, recordings are not made in the trend

(there are gaps).

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Mintek Pacemaker LV-T User Manual Page 125