2026116-001 Revision B Responder™ 2000 Page 45
HEART RATE
The red heart symbol displayed in the ECG information area will graphically indicate the heart rate by beating at the
rhythm of the patient’s heart rate. For clear viewing, the heart will display upon detection of an R-Wave for 200ms. The
Responder 2000 uses the average of the time between the last eight (8) detected QRS complexes, with the two outlying
values discarded, to calculate the displayed heart rate. The heart rate display is updated once every 2 seconds.
The Responder 2000 will respond to a change in heart rate from eighty (80) bpm to one hundred and twenty (120) bpm in
less than five (5) seconds. The Responder 2000 will respond to a change in heart rate from eighty (80) bpm to forty (40)
bpm in less than ten (10) seconds in the conditions specified in ANSI/AAMI EC13 section 4.1.2.1 f).
WARNING: Do not rely solely on heart rate readings; assess the patient at all times.
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