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Fluke Biomedical IMPULSE 7000DP User Manual

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Defibrillator/Transcutaneous Pacemaker Analyzer
Analyzing Pacemakers (7000DP only)
17
labeled Summary displays a summary of the test which
can be uploaded to a PC.
Performing a Pacer Refractory Period Test
This test is composed of two related quantifiable tests that
determine the demand mode pacemaker’s ability to sense
ECG activity immediately following either a paced event
(PRP) or sensed ECG event (SRP).
Paced Refractory Period (PRP)
The Analyzer first measures the pacemaker’s applied
pulse rate, and then generates a simulated ECG signal
within the expected PRP interval. See Figure 16. This
coupling interval is slowly extended until the simulated
ECG signal falls outside the PRP. The signal is then
sensed by the pacemaker, causing the escape interval to
reset. The result is a longer pacing pulse interval.
PRP
PRP
Cardiac Test Pulse
¨Sensed¨ Cardiac Test Pulse
Pacing Rate
Interval
Reset > 750 mS
Pacing Rate
Interval
@ 80 BPM=750 mS
eyr003.eps
Figure 16. Paced Refractory Period (PRP)

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Fluke Biomedical IMPULSE 7000DP Specifications

General IconGeneral
BrandFluke Biomedical
ModelIMPULSE 7000DP
CategoryMeasuring Instruments
LanguageEnglish

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