GE Corometrics 250cx Series

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Revision C 250cx Series Maternal/Fetal Monitor A-1

2036946-001

A Factory Defaults

Factory Defaults are found in the table that follows. Factory defaults settings are

dependent upon the model purchased.

Main Page

Table of Contents7
Safety17
General Information19
General Use19
Responsibility of the Manufacturer19
Responsibility of the User19
Definitions of Terminology20
Monitor Contraindications, Warnings, and Precautions21
Warnings21
Cautions24
Electromagnetic Interference25
Equipment Symbols26
Introduction29
Illustrations31
Pulse Oximetry32
Heart/Pulse Rate32
Series Overview32
The 250Cx Series Monitor Features32
System Parameters (256Cx and 259Cx)32
Fetal Parameters33
Maternal Parameters (259Cx Only)34
Adding Fetal Movement Detection And/Or Spectra Alerts34
Controls, Indicators, and Connectors35
Front Panel Description37
Front Panel Displays40
Display Example41
Primary Labor Parameters42
FHR Display42
UA Display43
Additional Parameters44
Maternal NIBP44
MHR/P Area45
Mspo 2 Area46
Waveform Area46
Time and Waveform Message Area46
Battery-Backed RAM Status47
Softkeys47
Mode Title Softkeys47
Waveform Softkeys47
Dedicated Softkey Area48
Rear Panel Description50
Setup Procedures53
Loading Strip Chart Recorder Paper55
Power58
Interruption of Power58
Self-Test Routine59
Setup Screens59
Using the Trim Knob Control60
General Setup Screen61
Play Song61
Song Volume61
Temp Done Volume61
Brightness61
Paper Speed62
Date62
Time62
Mspo 2 Print Interval62
Fspo 2 Print Interval62
Fspo 2 Trace62
Service62
Preparing the Monitor for Patient Use63
Fetal Heart Rate Monitoring65
Ultrasound (External Method)67
Methodology67
US/US2 Setup Screen67
Volume67
Alert68
Alarm Volume68
FECG (Internal Method)68
Methodology68
Artifact Elimination68
FECG Setup Screen69
Volume69
Alarms69
Audio Alarms69
Alarm Volume69
Fetal Heart Rate Alarms70
FHR Threshold Alarms70
FHR High Alarm71
Sample Clinical Exceptions72
Active Signal Quality Alarm72
Resolved Signal Quality Alarm72
100% Signal Loss73
Silencing an Audio Alarm73
Summary74
Single Fetal Heart Rate Monitoring74
Dual Fetal Heart Rate Monitoring74
Heartbeat Coincidence75
Fetal Heart Rate Offset75
Activating the Fetal Heart Rate Offset Feature75
De-Activating the Fetal Heart Rate Offset Feature76
Uterine Activity Monitoring77
Tocotransducer (External Method)79
Methodology79
Establishing a Baseline79
Initial Referencing79
Accounting for Belt Tension80
More about Referencing80
Out of Range Condition80
Manually Setting the Baseline at the Default Value80
Manually Overriding the Baseline Default Value80
Automatic Baseline "Zeroing80
Internal Method - Intrauterine Pressure (IUP)81
Methodology81
Why You Must Zero the System81
Maternal Heart/Pulse Rate Monitoring83
MHR/P Source85
MHR/P Setup Screen86
Source86
HR/PR Trace87
Volume87
Alarms87
Alarm Volume87
MECG Lead87
MECG Pacer88
Maternal ECG Monitoring89
Theory and Methodology89
Pacemaker Safety Information89
MECG Waveform90
Maternal Non-Invasive Blood Pressure Monitoring91
Blood Pressure Safety Precautions93
Warnings94
NIBP Determination95
Superstat NIBP Determination95
Accelerated Determination96
Systolic Search96
NIBP Setup Screen97
Mode97
Target97
NIBP Done Volume98
Alarms98
Alarm Volume98
NIBP Monitoring98
Checklist98
Patient Preparation98
Blood Pressure Methodology99
Hydrostatic Effect100
Manual Mode100
Automatic Mode100
Taking a Manual Reading between Auto Determinations101
Venous Return in Auto Mode101
Adjusting the Interval Time between Automatic Determinations101
NIBP Interval Button Shortcut102
Terminating a Determination in Progress103
Smart BP Feature103
Enabling/Disabling Smart BP103
Methodology103
Maternal Pulse Oximetry Monitoring105
Mspo2 Technology107
Which Module Is Installed107
Theory of Operation108
Ohmeda Trusignal™ Oximetry108
Trusignal™ Enhanced Spo2108
Signal Processing108
Masimo SET108
Nellcor Oximax109
Automatic Calibration110
Satseconds110
Satseconds "Safety Net112
Using Satseconds112
Mspo 2 Setup Screen113
Response Time (Nellcor 506 Technology Only)113
Response Time (Nellcor NELL-3 Technology Only)113
Sensitivity (Masimo Technology Only)113
Averaging Time (Masimo Technology Only)114
Print Interval114
Alarms114
Alarm Volume114
Mspo Pulse Beat Audio115
The Mspo 2 Waveform115
Module and Probe Compatibility115
Modules and Sensors116
No Implied License116
Sensors116
Alarms117
Introduction119
Alarm Setup119
Master Alarm Setup Screen119
Alarms119
Alarm Volume120
Alarm Silence120
Alarm Setting Indicators121
Maternal Alarm Occurring During Setup121
Alarm Behavior121
Fetal Heart Rate Alarms122
FHR Patient Alarms122
Active Patient Alarm122
Resolved Patient Alarm122
FHR Signal Quality Alarms122
Active Signal Quality Alarm122
Resolved Signal Quality Alarm123
Silencing an FHR Audio Alarm123
Maternal Alarms123
Maternal Patient Alarms123
Active Patient Alarm123
Resolved Patient Alarm123
Signal Quality Alarms123
Active Signal Quality Alarm124
Resolved Signal Quality Alarm124
Silencing a Maternal Audio Alarm124
Alarms Summary125
Recorder Modes127
Modes129
Off Mode129
On Mode129
Maternal-Only Mode129
What Is the Maternal-Only Mode129
Printing Style129
Changing Recorder Modes130
Functionality with a QS System131
Paper Versus Electronic Strip Charts131
Fetal Heart Rate Alarms132
Trends132
Multiple Trends132
Spo Scale133
Annotations133
Standard Annotations134
Blood Pressure Annotations134
Maternal Pulse Oximetry Annotations135
Annotations from a Central Information System135
Multiple Annotations135
Summary of Annotations136
Adjustable Recorder Font Size139
Chart Style Vital Signs Printing140
Enabling/Disabling Chart-Style Printing140
Examples of Printing Styles141
Chart-Style Printing Examples141
Real-Time Printing Example141
Chart-Style 7-Minute Exception for NIBP141
Strip Chart Paper142
Paper-Low, Paper-Out, and Paper-Loading Error Conditions144
Maternal Vital Signs History147
What Is the Maternal Vital Signs History Screen149
Using the Maternal Vital Signs History Screen150
Displaying the Screen150
Selecting the HX Interval150
Printing the Maternal Vital Signs History Screen151
Printing the Entire Vital Signs History151
Printing a Page of the Vital Signs History151
Stopping the Printing of Maternal Vital Signs History151
Heartbeat Coincidence153
Heartbeat Coincidence Theory155
Using the Heartbeat Coincidence Feature155
Enabling/Disabling Heartbeat Coincidence Detection155
Display Indicator155
Strip Chart Annotation157
Waveforms159
Waveform Area161
Selecting the Waveform161
Waveform Speed161
ECG Size161
MECG Lead Select161
MECG Pacer Label161
Moving Gap162
Freezing Waveforms162
Printing a Waveform Snapshot163
Recorder on163
Recorder in Maternal-Only Mode164
Recorder off164
Stopping a Print Command164
Maintenance165
Cleaning167
Monitor Exterior167
Display168
Tocotransducer and Ultrasound Transducer168
Leg Plates and MECG Cables168
Maternal NIBP Cuffs and Hoses169
General169
Materials169
Procedure169
Maternal Spo 2 Calibration170
NIBP Maintenance170
Disposal of Product Waste171
Patient Applied Parts171
Packaging Material171
Monitor171
Troubleshooting173
General Troubleshooting175
Ultrasound Troubleshooting176
FECG Troubleshooting177
External Uterine Activity Troubleshooting177
Internal UA Troubleshooting178
MECG Troubleshooting179
Blood Pressure Troubleshooting179
Maternal Pulse Oximetry Troubleshooting180
Technical Specifications181
General Monitor183
Operating Modes184
Strip Chart Recorder191
Supplies & Accessories193
General Add-Ons Ordering Information195
Paper Supplies Ordering Information195
Ultrasound Ordering Information195
FECG Ordering Information196
Tocotransducer Ordering Information196
IUPC Ordering Information196
MECG Ordering Information197
NIBP Ordering Information197
Mspo 2 Ordering Information198
Peripheral Device Ordering Information198
Factory Defaults199
Table of Defaults201
Fetal Movement Detection207
Introduction209
Availability209
Methodology209
Using Fetal Movement Detection While Monitoring209
Enabling/Disabling Fetal Movement Detection209
Display Indicator210
Strip Chart Annotation210
Using the FM Remote Marker to Complement the Patient Record210
Spectra Alerts213
Important Safety Information215
Using the Spectra Alert Option216
Enabling/Disabling Spectra Alerts216
Methodology216
Alert Indications218
Active Alerts218
Silencing Alerts218
Resolved Alerts219
Alert Suspension Feature219
Enabling/Disabling the Alert Suspension Feature219
Suspending Audio Alerts (and the Nurse Call Interface219
Restoring Audio Alerts (and the Nurse Call Interface219
Alert Parameters Summary221
Resetting Alerts224
False Pattern Recognition224
Mode Switching224
Trend Screen225
Uterine Contraction Frequency225
Enabling/Disabling UC Frequency Display226
UC Frequency in UA Display Area226
UC Frequency Histogram227
Enabling/Disabling UC Chime227
Nurse Call Interface228
Alert Parameters229
Frequently Asked235
Questions235
Faqs237

Table of Contents

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