1. Practice Rhythms Strips
Chapter 8
Practice Rhythms Strips
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2. Figure 8-11 Atrial pacing? Ventricular pacing? Paced interval
Identification
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3. Figure 8-11 Atrial pacing? No Ventricular pacing? Yes Paced interval79
Identification
100% ventricular-paced rhythm
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4. Figure 8-12 Atrial pacing? Ventricular pacing? Paced interval
Identification
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5. Figure 8-12 Atrial pacing? Yes Ventricular pacing? Paced interval 71
Identification
100% paced rhythm
– AV sequential pacemaker
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6. Figure 8-13
This rhythm strip is from a 74-year-old woman complaining of weakness.
Atrial pacing?
Ventricular pacing?
Paced interval
Identification
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7. Figure 8-13
This rhythm strip is from a 74-year-old woman complaining of weakness.
Atrial pacing? No
Ventricular pacing?
Yes
Paced interval 68
Identification
Ventricular demand pacemaker
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8. Figure 8-14
These rhythm strips are from a 52-year-old man with syncope.
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9. Figure 8-14 Atrial pacing? Yes Ventricular pacing? No Paced interval79
Identification
Atrial pacemaker
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10. Figure 8-15
This rhythm strip is from an 80-year-old woman with chest pain. Her blood pressure is 140/78. She states she had a new pacemaker “installed” 13 days ago.
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11. Figure 8-15 Atrial pacing? Yes Ventricular pacing? Paced interval 83
Identification
100% paced rhythm
– AV sequential pacemaker
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12. Figure 8-16 Atrial pacing? Ventricular pacing? Paced interval
Identification
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13. Figure 8-16 Atrial pacing? Yes Ventricular pacing? Paced interval 83
Identification
Ventricular paced rhythm with failure to capture
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14. Figure 8-17 Atrial pacing? Ventricular pacing? Paced interval
Identification
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15. Figure 8-17 Atrial pacing? No Ventricular pacing? Yes Paced interval71
Identification
Pacemaker malfunction (failure to sense); underlying rhythm is a sinus rhythm at 88 bpm with a PVC; note the pacer spikes in the T waves of the second and eighth beats from the left
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16. Figure 8-18 Atrial pacing? Ventricular pacing? Paced interval
Identification
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17. Figure 8-18 Atrial pacing? Yes Ventricular pacing? Paced interval 79
Identification
100% paced rhythm
– AV sequential pacemaker
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18. Figure 8-19 Atrial pacing? Ventricular pacing? Paced interval
Identification
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19. Figure 8-19 Atrial pacing? No Ventricular pacing? Yes Paced interval72
Identification
Malfunctioning ventricular demand pacemaker - failure to capture; underlying rhythm appears to be atrial flutter
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20. Figure 8-20 Atrial pacing? Ventricular pacing? Paced interval
Identification
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21. Figure 8-20 Atrial pacing? No Ventricular pacing? Yes Paced interval74
Identification
100% ventricular paced rhythm
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22. Figure 8-21 Atrial pacing? Ventricular pacing? Paced interval
Identification
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23. Figure 8-21 Atrial pacing? No Ventricular pacing? Yes Paced interval71
Identification
100% ventricular-paced rhythm;
underlying rhythm is a complete AV block
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24. Figure 8-22 Atrial pacing? Ventricular pacing? Paced interval
Identification
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25. Figure 8-22 Atrial pacing? No Ventricular pacing? Yes Paced interval71
Identification
Normal pacemaker function—ventricular-demand pacer
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26. Questions?
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