Chapter 8 Practice Rhythms Strips Copyright 2006 by

Chapter 8 Practice Rhythms Strips Copyright © 2006 by Mosby Inc. All rights reserved.

Figure 8 -11 Atrial pacing? Ventricular pacing? Paced interval Identification Copyright © 2006 by Mosby Inc. All rights reserved.

Figure 8 -11 Atrial pacing? No Ventricular pacing? Yes Paced interval 79 Identification 100% ventricular-paced rhythm Copyright © 2006 by Mosby Inc. All rights reserved.

Figure 8 -12 Atrial pacing? Ventricular pacing? Paced interval Identification Copyright © 2006 by Mosby Inc. All rights reserved.

Figure 8 -12 Atrial pacing? Yes Ventricular pacing? Yes Paced interval 71 Identification 100% paced rhythm – AV sequential pacemaker Copyright © 2006 by Mosby Inc. All rights reserved.

Figure 8 -13 This rhythm strip is from a 74 -year-old woman complaining of weakness. Atrial pacing? Ventricular pacing? Paced interval Identification Copyright © 2006 by Mosby Inc. All rights reserved.

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 Copyright © 2006 by Mosby Inc. All rights reserved.

Figure 8 -14 These rhythm strips are from a 52 -year-old man with syncope. Copyright © 2006 by Mosby Inc. All rights reserved.

Figure 8 -14 Atrial pacing? Yes Ventricular pacing? No Paced interval 79 Identification Atrial pacemaker Copyright © 2006 by Mosby Inc. All rights reserved.

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. Copyright © 2006 by Mosby Inc. All rights reserved.

Figure 8 -15 Atrial pacing? Yes Ventricular pacing? Yes Paced interval 83 Identification 100% paced rhythm – AV sequential pacemaker Copyright © 2006 by Mosby Inc. All rights reserved.

Figure 8 -16 Atrial pacing? Ventricular pacing? Paced interval Identification Copyright © 2006 by Mosby Inc. All rights reserved.

Figure 8 -16 Atrial pacing? Yes Ventricular pacing? Yes Paced interval 83 Identification Ventricular paced rhythm with failure to capture Copyright © 2006 by Mosby Inc. All rights reserved.

Figure 8 -17 Atrial pacing? Ventricular pacing? Paced interval Identification Copyright © 2006 by Mosby Inc. All rights reserved.

Figure 8 -17 Atrial pacing? No Ventricular pacing? Yes Paced interval 71 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 Copyright © 2006 by Mosby Inc. All rights reserved.

Figure 8 -18 Atrial pacing? Ventricular pacing? Paced interval Identification Copyright © 2006 by Mosby Inc. All rights reserved.

Figure 8 -18 Atrial pacing? Yes Ventricular pacing? Yes Paced interval 79 Identification 100% paced rhythm – AV sequential pacemaker Copyright © 2006 by Mosby Inc. All rights reserved.

Figure 8 -19 Atrial pacing? Ventricular pacing? Paced interval Identification Copyright © 2006 by Mosby Inc. All rights reserved.

Figure 8 -19 Atrial pacing? No Ventricular pacing? Yes Paced interval 72 Identification Malfunctioning ventricular demand pacemaker - failure to capture; underlying rhythm appears to be atrial flutter Copyright © 2006 by Mosby Inc. All rights reserved.

Figure 8 -20 Atrial pacing? Ventricular pacing? Paced interval Identification Copyright © 2006 by Mosby Inc. All rights reserved.

Figure 8 -20 Atrial pacing? No Ventricular pacing? Yes Paced interval 74 Identification 100% ventricular paced rhythm Copyright © 2006 by Mosby Inc. All rights reserved.

Figure 8 -21 Atrial pacing? Ventricular pacing? Paced interval Identification Copyright © 2006 by Mosby Inc. All rights reserved.

Figure 8 -21 Atrial pacing? No Ventricular pacing? Yes Paced interval 71 Identification 100% ventricular-paced rhythm; underlying rhythm is a complete AV block Copyright © 2006 by Mosby Inc. All rights reserved.

Figure 8 -22 Atrial pacing? Ventricular pacing? Paced interval Identification Copyright © 2006 by Mosby Inc. All rights reserved.

Figure 8 -22 Atrial pacing? No Ventricular pacing? Yes Paced interval 71 Identification Normal pacemaker function— ventricular-demand pacer Copyright © 2006 by Mosby Inc. All rights reserved.

Questions? Copyright © 2006 by Mosby Inc. All rights reserved.