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Changing the Patient Category
3-50 Setting up your Monitor
Setting up your
Monitor
Recommendation
Choose the patient category according to the QRS morphology, rather
than the patient's age. Use Adult if the duration of the QRS base is 50 to
70 ms: use Neonate/Pediatric if the duration is less than 50 ms.
Weak signal The signal may be weak due to the patient's constitution, the electrode
placement or other factors. A 1 mV calibration bar at the left side of the
ECG channel enables you to estimate the quality of the signal.
Recommendation
• Use the strongest signal on channel 1 and compare the QRS
amplitude with the 1 mV bar; the height should be at least half of
that size. If not, change the lead or try a different electrode
placement.
Paced Patients Paced pulse rejection is available for patient categories.
Recommendations
• Derive the cardiac rate from pulse.
• Look for a lead on channel 1, where the pace pulse amplitude is
zero to avoid paced pulses being counted as beats.
• Whenever acceptable use the Adult category.