Medtronic LIFEPAK CR-T Instructions d'exploitation Page 61
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Noté. / 5. Basé sur avis des utilisateurs
LIFEPAK CR Plus Defibrillator Operating Instructions B-3
©2002–2005 Medtronic Emergency Response Systems, Inc.
Appendixes
Shock Advisory System
Control of Shock Therapy
The Shock Advisory System causes the AED to charge automatically when it detects the presence of a
shockable rhythm. When a shockable rhythm is detected, the defibrillator automatically delivers a shock
or instructs the user to deliver the shock by pressing the shock button.
Motion Detection
The Shock Advisory System detects patient motion independent of ECG analysis. A motion detector is
designed into the LIFEPAK CR Plus Defibrillator.
MOTION DETECTION can be configured to be ON or OFF.
Motion can be caused by CPR, rescuer movement, patient movement, vehicle movement, or other
causes. If variations in the transthoracic impedance signal exceed a maximum limit, it is determined that
patient motion of some kind is present. If motion detection is
ON, ECG analysis is inhibited until the
motion ceases. The operator is advised any time motion is detected during an analysis by audible
prompts and alert tones. If the motion does not cease within 20 seconds, analysis attempts will stop
until the movement stops.
There are two reasons why ECG analysis is inhibited when motion is detected:
• Such motion may cause artifact in the ECG signal. This artifact can cause a nonshockable ECG
rhythm to look like a shockable rhythm. Artifact can also cause a shockable ECG rhythm to look like
a nonshockable rhythm. For example, chest compressions during ventricular fibrillation can look like
an organized and, therefore, nonshockable rhythm.
• The motion may be caused by a rescuer's interventions. To reduce the risk of inadvertently shocking
a rescuer, the motion alert prompts the rescuer to move away from the patient. This will stop the
motion and ECG analysis will proceed.
Nonshockable:
all other rhythms
433 >95% specificity 99.3% [98.5%]
Intermediate:
fine VF
4 Report only 100.0% [56.2%] sensitivity
Intermediate:
other VT
7 Report only 42.9% [17.0%] specificity
1
From Medtronic ECG database.
2
Automatic External Defibrillators for Public Access Defibrillation: Recommendations for Specifying and Reporting
Arrhythmia Analysis Algorithm Performance, Incorporating New Waveforms, and Enhancing Safety. AHA Task Force on
Automatic External Defibrillation, Subcommittee on AED Safety and Efficacy. Circulation, 1997, Vol. 95, 1677-1682.
3
LCL = 90% exact one-sided lower confidence limit.
Rhythm Class
ECG Test
1
Sample Size
Performance Goal
2
Observed Performance
Sensitivity or Specificity [LCL]
3
- LIFEPAK CR 1
- IMPORTANT 4
- Device Tracking 4
- Revision History 4
- TABLE OF CONTENTS 1 5
- LIST OF FIGURES 7
- LIST OF TABLES 7
- INTRODUCTION 1 9
- Indications for Use 10
- Contraindications 10
- Terminology 11
- Text Conventions 12
- SAFETY INFORMATION 12
- Safety Terms 12
- General Warnings and Cautions 12
- LOT YYWW 14
- Capabilities and Features 15
- Introduction 16
- 1 Introduction 17
- GETTING STARTED 2 19
- Getting Started 20
- 2 Getting Started 21
- Inside Features 22
- Table 2-2 Inside Features 23
- WARNINGS AND CAUTIONS 26
- VOICE PROMPTS AND TONES 29
- MOTION DETECTED and 32
- STOP MOTION voice 32
- OK symbol appears on the 32
- DATA STORAGE 4 33
- Table 4-1 Patient Reports 34
- Table 4-2 LIFEPAK CR Plus 34
- Event and Test Log 35
- Defibrillator 37
- Table 5-1 Cleaning Methods 38
- ELECTRODE PACKET 39
- Replacing the CHARGE-PAK 39
- CHARGE-PAK Disposal 40
- Replacing the QUIK-PAK 41
- WARNING! 42
- Shock hazard 42
- WARRANTY INFORMATION 43
- Operating Settings 46
- Settings 47
- APPENDIX A 49
- SPECIFICATIONS A 49
- SPECIFICATIONS 51
- User Interface 52
- Environmental 53
- Physical Characteristics 53
- Accessories 53
- Specifications 54
- Prehospital Emergency 55
- APPENDIX B 57
- SHOCK ADVISORY SYSTEM B 57
- Appendixes 59
- Shock Advisory System 59
- Table B-1 LIFEPAK CR Plus 60
- Control of Shock Therapy 61
- Motion Detection 61
- APPENDIX C 63
- DECLARATION OF CONFORMITY C 63
- EC DECLARATION OF CONFORMITY 65
- APPENDIX D 67
- USER’S CHECKLIST D 67
- PLUS DEFIBRILLATOR 69
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