EKG Rhythm Strips 73
Identify the following rhythms.
a. Sinus arrhythmia
b. Sinus bradycardia
c. Atrial flutter
d. Wandering atrial pacemaker
2.
a. Demand atrial paced with multifocal PVCs
b. Demand ventricular paced with multifocal PVCs
c. Demand AV paced with multifocal PVCs
d. Demand biventricular paced with multifocal PVCs
3.
a. Demand atrial paced
b. Demand ventricular paced
c. Demand AV paced
d. Demand biventricular paced
4.
a. Normal sinus rhythm
b. Sinus tachycardia
c. Atrial flutter
d. 1st degree AV block
5.
a. Demand ventricular paced with PVCs
b. Demand ventricular paced with fusion beats
c. Demand ventricular paced with PACs
d. Demand ventricular paced with PJCs
Answers
1. c. Atrial flutter
The rhythm is irregular with a rate of 50/min. Flutter waves are seen between the QRS complexes. P waves are absent. No ectopic beats are noted. PR: ---, QRS: .08 sec, QT: .40 sec.
2. b. Demand ventricular paced with multifocal PVCs
The rhythm is irregular with a rate of 90/min. There are P waves that have a corresponding QRS complex. There are multiple ectopic beats present: the 2nd, 4th, 5th, 8th, 12th, and 13th complexes. The 2nd PVC is a fusion beat. The 12th PVC has a P wave present and may be either an aberrantly conducted PAC or some kind of fusion complex. There are ventricular pacer spikes present. PR: .12 sec, QRS: .16 sec, QT: .32 sec
3. a. Demand atrial paced
The rhythm is slightly irregular with a rate of 75/min. The P waves are upright and there are demand atrial pacer spikes associated with some of the P waves. The PR interval is prolonged. No ectopic beats are present. PR: .32 sec, QRS: .12 sec, QT: .40 sec.
4. d. 1st degree AV block
The rhythm is regular with a rate of 94/min. The P waves are upright and precede the QRS complexes. The PR interval is prolonged. No ectopic beats are present. PR: .24 sec, QRS: .12 sec, QT: . 38 sec.
5. b. Demand ventricular paced with fusion beats.
The rhythm is irregular due to the mixture of demand and paced beats. There are small upright P waves on the native complexes. No ectopic beats are seen. Two fusion beats are noted, the 3rd and 7th complexes. PR: .20 sec, QRS: .08 sec, QT: .36 sec.
Reviewed 3/8/16
1.
a. Sinus arrhythmia
b. Sinus bradycardia
c. Atrial flutter
d. Wandering atrial pacemaker
2.
a. Demand atrial paced with multifocal PVCs
b. Demand ventricular paced with multifocal PVCs
c. Demand AV paced with multifocal PVCs
d. Demand biventricular paced with multifocal PVCs
3.
b. Demand ventricular paced
c. Demand AV paced
d. Demand biventricular paced
4.
b. Sinus tachycardia
c. Atrial flutter
d. 1st degree AV block
5.
a. Demand ventricular paced with PVCs
b. Demand ventricular paced with fusion beats
c. Demand ventricular paced with PACs
d. Demand ventricular paced with PJCs
Answers
1. c. Atrial flutter
The rhythm is irregular with a rate of 50/min. Flutter waves are seen between the QRS complexes. P waves are absent. No ectopic beats are noted. PR: ---, QRS: .08 sec, QT: .40 sec.
2. b. Demand ventricular paced with multifocal PVCs
The rhythm is irregular with a rate of 90/min. There are P waves that have a corresponding QRS complex. There are multiple ectopic beats present: the 2nd, 4th, 5th, 8th, 12th, and 13th complexes. The 2nd PVC is a fusion beat. The 12th PVC has a P wave present and may be either an aberrantly conducted PAC or some kind of fusion complex. There are ventricular pacer spikes present. PR: .12 sec, QRS: .16 sec, QT: .32 sec
3. a. Demand atrial paced
The rhythm is slightly irregular with a rate of 75/min. The P waves are upright and there are demand atrial pacer spikes associated with some of the P waves. The PR interval is prolonged. No ectopic beats are present. PR: .32 sec, QRS: .12 sec, QT: .40 sec.
4. d. 1st degree AV block
The rhythm is regular with a rate of 94/min. The P waves are upright and precede the QRS complexes. The PR interval is prolonged. No ectopic beats are present. PR: .24 sec, QRS: .12 sec, QT: . 38 sec.
5. b. Demand ventricular paced with fusion beats.
 |
| Demand ventricular paced with fusion beats |
The rhythm is irregular due to the mixture of demand and paced beats. There are small upright P waves on the native complexes. No ectopic beats are seen. Two fusion beats are noted, the 3rd and 7th complexes. PR: .20 sec, QRS: .08 sec, QT: .36 sec.
Reviewed 3/8/16
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