1. Copyright ©2012 by Pearson Education, Inc. All rights reserved. EKG Plain and Simple, Third Edition Karen M. Ellis Figure 4-11 CPR Artifact

2. Copyright ©2012 by Pearson Education, Inc. All rights reserved. EKG Plain and Simple, Third Edition Karen M. Ellis Rhythm Without CPR Artifact Following is the rhythm with CPR interrupted

3. Copyright ©2012 by Pearson Education, Inc. All rights reserved. EKG Plain and Simple, Third Edition Karen M. Ellis Figure 4-12 Rhythm Without CPR Artifact

4. Copyright ©2012 by Pearson Education, Inc. All rights reserved. EKG Plain and Simple, Third Edition Karen M. Ellis Defibrillation/Cardioversion Artifact Caused by sudden electrical surge entering heart Causes the rhythm pattern to shoot down/up before rhythm pattern resumes

5. Copyright ©2012 by Pearson Education, Inc. All rights reserved. EKG Plain and Simple, Third Edition Karen M. Ellis Figure 4-13 Defibrillation/cardioversion artifact.

6. Copyright ©2012 by Pearson Education, Inc. All rights reserved. EKG Plain and Simple, Third Edition Karen M. Ellis Artifact in Three Leads Monitored Simultaneously Following is a strip with three leads recording the same rhythm Leads I and II are limb leads and show a lot of artifact V1 has less artifact and shows the true rhythm

7. Copyright ©2012 by Pearson Education, Inc. All rights reserved. EKG Plain and Simple, Third Edition Karen M. Ellis Figure 4-14 Artifact in Three Leads Monitored Simultaneously

8. Copyright ©2012 by Pearson Education, Inc. All rights reserved. EKG Plain and Simple, Third Edition Karen M. Ellis Figure 4-15 Is It Real or Is It Artifact?

9. Copyright ©2012 by Pearson Education, Inc. All rights reserved. EKG Plain and Simple, Third Edition Karen M. Ellis Artifact vs. Real Rhythm How to tell the difference –Check the patient for symptoms –Check electrode wires and patches –See if “rhythm” meets its normal criteria –Check another lead –Observe for muscle twitches or movements that could cause artifact

10. Copyright ©2012 by Pearson Education, Inc. All rights reserved. EKG Plain and Simple, Third Edition Karen M. Ellis Classroom Response System

11. Copyright ©2012 by Pearson Education, Inc. All rights reserved. EKG Plain and Simple, Third Edition Karen M. Ellis Pop Question 1 The type of electrical shock associated with a pacemaker inside the body would be A.Endoshock B.Exoshock C.Macroshock D.Microshock

12. Copyright ©2012 by Pearson Education, Inc. All rights reserved. EKG Plain and Simple, Third Edition Karen M. Ellis Pop Question 1 Answer The type of electrical shock associated with a pacemaker inside the body would be A.Endoshock B.Exoshock C.Macroshock D.Microshock

13. Copyright ©2012 by Pearson Education, Inc. All rights reserved. EKG Plain and Simple, Third Edition Karen M. Ellis Pop Question 2 Artifact is noted in leads I, II, and AVR. From which limb is the artifact likely arising? A.Right leg B.Left leg C.Right arm D.Left arm

14. Copyright ©2012 by Pearson Education, Inc. All rights reserved. EKG Plain and Simple, Third Edition Karen M. Ellis Pop Question 2 Answer Artifact is noted in leads I, II, and AVR. From which limb is the artifact likely arising? A.Right leg B.Left leg C.Right arm D.Left arm

15. Copyright ©2012 by Pearson Education, Inc. All rights reserved. EKG Plain and Simple, Third Edition Karen M. Ellis Pop Question 3 Mr. Johnson has Parkinson’s disease. What kind of artifact might you expect to see on his EKG tracing? A.60-cycle interference B.CPR artifact C.Defibrillation/cardioversion artifact D.Somatic tremors artifact

16. Copyright ©2012 by Pearson Education, Inc. All rights reserved. EKG Plain and Simple, Third Edition Karen M. Ellis Pop Question 3 Answer Mr. Johnson has Parkinson’s disease. What kind of artifact might you expect to see on his EKG tracing? A.60-cycle interference B.CPR artifact C.Defibrillation/cardioversion artifact D.Somatic tremors artifact

17. Copyright ©2012 by Pearson Education, Inc. All rights reserved. EKG Plain and Simple, Third Edition Karen M. Ellis Pop Question 4 Sally has a cell phone, laptop, IV pump, cardiac monitor, and a fan on or by her hospital bed. What type of artifact might you expect to see? A.Tooth brush tachycardia B.Somatic tremors C.CPR artifact D.60-cycle interference

18. Copyright ©2012 by Pearson Education, Inc. All rights reserved. EKG Plain and Simple, Third Edition Karen M. Ellis Pop Question 4 Answer Sally has a cell phone, laptop, IV pump, cardiac monitor, and a fan on or by her hospital bed. What type of artifact might you expect to see? A.Tooth brush tachycardia B.Somatic tremors C.CPR artifact D.60-cycle interference

19. Copyright ©2012 by Pearson Education, Inc. All rights reserved. EKG Plain and Simple, Third Edition Karen M. Ellis Pop Question 5 Molly is in cardiac arrest. What types of artifact might you expect to see as a result of resuscitation efforts? A.60-cycle interference and CPR artifact B.Baseline sway and defib/cardioversion artifact C.CPR and defib/cardioversion artifact D.Toothbrush tachycardia and broken recording

20. Copyright ©2012 by Pearson Education, Inc. All rights reserved. EKG Plain and Simple, Third Edition Karen M. Ellis Pop Question 5 Answer Molly is in cardiac arrest. What types of artifact might you expect to see as a result of resuscitation efforts? A.60-cycle interference and CPR artifact B.Baseline sway and defib/cardioversion artifact C.CPR and defib/cardioversion artifact D.Toothbrush tachycardia and broken recording