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17.4 Acquisition and Analysis
17.4.1 Auto Diagnosis
In the local login mode, after the ECG waveform is stable, click the [Start]
button, the device starts recording the ECG waveform. After the ECG data
is acquired for the set time period, the device automatically starts
analysis, and selects whether to print ECG report according to the settings.
Note
In the Manual mode, the device continuously prints the waveforms of selected
leads in real time. The manual measurement provides only printed report
without measurement and analysis results. You cannot save the report or send it
to the external device.
In the auto measurement mode, ECG analysis provides:
Measurement parameters, including:
Heart rate (bpm), P duration (ms), PR interval (ms), QRS duration (ms),
QT/QTc interval (ms), P/QRS/T axis (°), RV5/SV1 amplitude (mV), RV5+SV1
amplitude (mV), RV6/SV2 amplitude (mV)
Algorithm analysis results
Minnesota code
Average template
Gives the average template waveform of each lead.
Measurement matrix
Gives 14 measurements of each lead, including:
P amplitude (mV), Q amplitude (mV), R amplitude (mV), S amplitude
(mV), T amplitude (mV), ST1 amplitude (mV), STJ amplitude (mV),
ST20 amplitude (mV), ST40 amplitude (mV), ST60 amplitude (mV),
ST80 amplitude (mV), Q duration (ms), R duration (ms), S duration
(ms)
In the R-R mode, ECG analysis provides:
Measurement parameters, including:
Sampling Time (s), Total QRS, Heart Rate (bpm), Average RR Interval
(ms), Max RR Interval (ms), Min RR Interval (ms), Max/Min (Ratio of
Maximum RR Interval to Minimum RR Interval)
Time-domain analysis index: SDNN (Standard Deviation of Normal to
Normal Intervals) (ms)
RMSSD (The Root Mean Square Successive Difference) (ms)
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