BeneVision TM70 Telemetry Monitor Operator’s Manual 3
7 Monitoring ECG, Arrhythmia, ST and QT ................................................................................ 7 - 1
7.1 Introduction ..................................................................................................................................................7 - 1
7.2 ECG Safety Information ............................................................................................................................7 - 1
7.3 Preparation for Monitoring ECG ........................................................................................................... 7 - 1
7.3.1 Preparing the Patient’s Skin .................................................................................................... 7 - 2
7.3.2 Positioning the Electrodes .......................................................................................................7 - 3
7.3.3 Configuring the ECG Lead Labeling .....................................................................................7 - 4
7.3.4 Placing the Electrodes ...............................................................................................................7 - 5
7.3.5 Checking the Lead Placement ................................................................................................7 - 9
7.3.6 Checking the Paced Status ....................................................................................................7 - 10
7.3.7 Maintaining Quality ECG Signal ...........................................................................................7 - 11
7.4 Changing ECG Settings ..........................................................................................................................7 - 11
7.4.1 Entering the ECG Menu ..........................................................................................................7 - 11
7.4.2 Configuring ECG Settings ......................................................................................................7 - 11
7.4.3 ECG Leadwire Types .................................................................................................................7 - 12
7.4.4 Configuring ECG Waveforms ................................................................................................7 - 12
7.4.5 Configuring the Pacer .............................................................................................................7 - 13
7.4.6 Configuring the ECG Waveform Size .................................................................................7 - 14
7.4.7 Configuring ECG Alarm Settings .........................................................................................7 - 14
7.4.8 Configuring the Notch Filter .................................................................................................7 - 14
7.5 Configuring the HR Alarm Source ......................................................................................................7 - 15
7.6 Understanding the ECG Display ..........................................................................................................7 - 15
7.6.1 HR Digital Area ...........................................................................................................................7 - 15
7.6.2 About the HR Digital Area ......................................................................................................7 - 16
7.6.3 ECG Waveform Area .................................................................................................................7 - 16
7.6.4 About the ECG Waveform Area ............................................................................................7 - 16
7.7 Arrhythmia Monitoring ..........................................................................................................................7 - 17
7.7.1 Arrhythmia Safety Information ............................................................................................7 - 17
7.7.2 Arrhythmia Events ....................................................................................................................7 - 17
7.7.3 Changing Arrhythmia Alarm Settings ...............................................................................7 - 19
7.7.4 Intelligent Arrhythmia Alarm ................................................................................................7 - 24
7.7.5 Understanding the Arrhythmia Display ............................................................................7 - 25
7.8 ST Segment Monitoring .........................................................................................................................7 - 25
7.8.1 ST Safety Information ..............................................................................................................7 - 26
7.8.2 Enabling ST Monitoring ..........................................................................................................7 - 26
7.8.3 Displaying ST Numerics ..........................................................................................................7 - 26
7.8.4 Configuring ST Alarm Settings .............................................................................................7 - 27
7.9 QT/QTc Interval Monitoring ..................................................................................................................7 - 28
7.9.1 QT/QTc Monitoring Limitations ...........................................................................................7 - 29
7.9.2 Enabling QT/QTc Monitoring ................................................................................................7 - 29
7.9.3 Displaying QT/QTc Numerics and Segments ..................................................................7 - 30
7.9.4 Configuring QT/QTc Alarm Settings ..................................................................................7 - 30
7.10 Relearning .................................................................................................................................................7 - 31
7.10.1 Automatically Initiating an ECG Relearning ..................................................................7 - 31
7.10.2 Manually Initiating an ECG Relearning ...........................................................................7 - 31