sensor sensor optimization for internal use only normal chronotropic response 60 70 80 90 100 110...
TRANSCRIPT
SensorSensor Optimization
for internal use only
Normal chronotropic response
60
70
80
90100110
120130
140
150Rate min-1
Time
for internal use only
Chronotropic incompetence
60
70
80
90100110
120130
140
150
Rate min-1
Time
for internal use only
Chronotropic incompetence
60
70
80
90100110
120130
140
150
Rate min-1
Time
for internal use only
Chronotropic incompetence
60
70
80
90100110
120130
140
150
Rate min-1
Time
for internal use only
Omnisense Accelerometer
In the following products:
Trilogy DR+AffinityEntity
IntegrityIdentity
ADx-family
for internal use only
50 60 70 80 90
Paced Rate (min-1)
Sitting
Standing
Casual Walk
Brisk Walk
Up Stairs
Down Stairs
Omnisense Accelerometer
for internal use only
First Clinical Experience with a new accelerometer-based Sensor during different daily activities, Candinas R, Erne P, Schönbeck M, European Trilogy DR+ Investigators, EUR.J.C.P.E, 1996:6.177:A706 26/5
Sensor
Intrinsic
60
80
100
120
Sit
tin
g
Sta
nd
ing
Cas
ual
Wal
k
Bri
skW
alk
Up
Sta
irs
Dow
nS
tair
s
Paced Rate (bpm)
Omnisense (literature)
for internal use only
Sensor Pacemakers
•Maximum Rate
• (Minimum Rate = Basic Rate)
•Threshold
•Slope (Rate responsive factor)
•Reaction time
•Recovery time
Parameters
for internal use only
Sensor Parameters
for internal use only
Sensor Parameters
for internal use only
Sensor Parameters
for internal use only
Activity Level and Sensor Signal
Z Z Z Z
for internal use only
Mean Value
Max Rate
Min Rate
Rate
Activity
Z Z Z Z
Threshold
AUTO -0.5
Sensor Threshold
60
70
80
90
100
110
120
50
40
Too low threshold:
Sensor driven rate at rest!Too high threshold:
Basic rate at low level exercise!
for internal use only
Max Rate
Min Rate
Rate
Activity
Z Z Z Z
Sensor Slope
60
70
80
90
100
110
120
50
40
Slope 8
Slope 8:This activity level gives a rate increase of 25 min-1
for internal use only
Max Rate
Min Rate
Rate
Activity
Z Z Z Z
Sensor Slope
60
70
80
90
100
110
120
50
40
Slop
e 12
Slope 12:The same activity level givesa rate increase of 40 min-1
for internal use only
Max Rate
Min Rate
Rate
Activity
Z Z Z Z
Sensor Slope, Basic Rate and Max. Sensor Rate
60
70
80
90
100
110
120
50
40
Slope 6
A low slope, a low basic rate or a high max. sensor rate may exclude ability to reach max. sensor rate.
for internal use only
Slope and Target Rate
Target Rate, slope 8
Target Rate, slope 12
for internal use only
Reaction- & Recovery Time
Reaction Time Recovery Time
for internal use only
0 128
80
90
100
110
120
130
140
70
60
Rate
Sensor Slopes
Max. Sensor Rate
Threshold
1
2
3
4
5
6
7
8910
111213141516
for internal use only
for internal use only
Diagnostics
3994
6
6% 1%29%<1%62%
for internal use only
Heart Rate Histogram
Histogram shows ventricular rate,
preceded by AP or AS (or a PVC)
…And for total time sampled
for internal use only
Chronotropic Incompetence
for internal use only
Is Sensor On or Passive?
for internal use only
Mix of Sensor Drive & Intrinsic rate
for internal use only
Intrinsic Rate Overdriving the Sensor
for internal use only
Is Sensor Performing Well?
for internal use only
Sensor On or Passive?
for internal use only
for internal use only
for internal use only
for internal use only
for internal use only
Rate Response Optimization
for internal use only
for internal use only
for internal use only
for internal use only
