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Understanding Pacemaker Rhythms Cardiac Review – Notes
Understanding Pacemaker Rhythms Cardiac Review – Slides
CARDIOVASCULAR NCLEX QUIZ QUESTIONS
Question 1: You begin your shift and assess an electrocardiogram rhythm strip. The P waves and QRS complexes are regular. The PR interval is 0.12 seconds, and the QRS complexes are 0.10 seconds. You notice a pacer spike prior to each p wave.The overall heart rate is 80 beats per minute. The nurse assesses the cardiac rhythm as:
A. Single Chamber Atrial Pacemaker
B. Normal Sinus Rhythm
C. Single Chamber Ventricular Pacemaker
D. Failure to Capture
Question 2: You begin your shift and assess an electrocardiogram rhythm strip. The P waves and QRS complexes are regular. The PR interval is not measurable, and the QRS complexes are 0.16 seconds. You notice a pacer spike prior to each Q wave.The overall heart rate is 80 beats per minute. The nurse assesses the cardiac rhythm as:
A. Single Chamber Atrial Pacemaker
B. Normal Sinus Rhythm
C. Single Chamber Ventricular Pacemaker
D. Failure to Capture
Question 3: True or False: Dual chamber pacemakers will exhibit pacer spikes only before the Q wave.
Question 4: Upon assess your patient’s ECG, you notice there is a failure to recognize the intrinsic rhythm resulting in a pacer spike falling close to another beat. This is called:
A. Failure to Sense – Undersensing
B. Failure to Sense – Oversensing
C. Failure to Capture
D. Dual Chamber Pacemaker
Question 5: Upon assess your patient’s ECG, you notice there is a P wave without a QRS complex after. You believe the pacemaker identified the P wave was an extra electrical activity causing the pacemaker not to fire. This is called:
A. Failure to Sense – Undersensing
B. Failure to Sense – Oversensing
C. Failure to Capture
D. Dual Chamber Pacemaker
Question 6: Upon assess your patient’s ECG, you notice there are pacer spikes without constant QRS complexes. You believe the pacemaker provided a stimulus but depolarization did not occur. This is called:
A. Failure to Sense – Undersensing
B. Failure to Sense – Oversensing
C. Failure to Capture
D. Dual Chamber Pacemaker
CARDIOVASCULAR NCLEX QUIZ ANSWERS
Question 1: You begin your shift and assess an electrocardiogram rhythm strip. The P waves and QRS complexes are regular. The PR interval is 0.12 seconds, and the QRS complexes are 0.10 seconds. You notice a pacer spike prior to each p wave.The overall heart rate is 80 beats per minute. The nurse assesses the cardiac rhythm as:
A. Single Chamber Atrial Pacemaker
B. Normal Sinus Rhythm
C. Single Chamber Ventricular Pacemaker
D. Failure to Capture
Question 2: You begin your shift and assess an electrocardiogram rhythm strip. The P waves and QRS complexes are regular. The PR interval is not measurable, and the QRS complexes are 0.16 seconds. You notice a pacer spike prior to each Q wave.The overall heart rate is 80 beats per minute. The nurse assesses the cardiac rhythm as:
A. Single Chamber Atrial Pacemaker
B. Normal Sinus Rhythm
C. Single Chamber Ventricular Pacemaker
D. Failure to Capture
Question 3: True or False: Dual chamber pacemakers will exhibit pacer spikes only before the Q wave.
Question 4: Upon assess your patient’s ECG, you notice there is a failure to recognize the intrinsic rhythm resulting in a pacer spike falling close to another beat. This is called:
A. Failure to Sense – Undersensing
B. Failure to Sense – Oversensing
C. Failure to Capture
D. Dual Chamber Pacemaker
Question 5: Upon assess your patient’s ECG, you notice there is a P wave without a QRS complex after. You believe the pacemaker identified the P wave was an extra electrical activity causing the pacemaker not to fire. This is called:
A. Failure to Sense – Undersensing
B. Failure to Sense – Oversensing
C. Failure to Capture
D. Dual Chamber Pacemaker
Question 6: Upon assess your patient’s ECG, you notice there are pacer spikes without constant QRS complexes. You believe the pacemaker provided a stimulus but depolarization did not occur. This is called:
A. Failure to Sense – Undersensing
B. Failure to Sense – Oversensing
C. Failure to Capture
D. Dual Chamber Pacemaker
.