Rhythm Strip Review 2
Please select the most appropriate strip interpretation, unless noted all rhythm strips are six second strips.
Questions and Answers
- 1.
This Rhythm strip is:
- A.
Normal sinus rhythm
- B.
A fib
- C.
Sinus tachycardia
- D.
V tach
Correct Answer
A. Normal sinus rhythmExplanation
The given correct answer for this question is "Normal sinus rhythm." This means that the electrical activity in the heart is originating from the sinus node, which is the natural pacemaker of the heart. The rhythm is regular and the heart rate falls within the normal range. There are no abnormal or irregular waveforms present, indicating a healthy and normal heart rhythm.Rate this question:
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- 2.
This Rhythm strip is:
- A.
Sinus tachycardia
- B.
Normal sinus rhythm
- C.
A fib
- D.
V tach
Correct Answer
B. Normal sinus rhythmExplanation
The given rhythm strip is identified as a normal sinus rhythm because it displays a regular pattern of P waves, QRS complexes, and T waves. The heart rate is within the normal range, suggesting that the electrical impulses are originating from the sinus node, which is the normal pacemaker of the heart. There are no abnormalities or irregularities observed in the strip, indicating a normal cardiac rhythm.Rate this question:
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- 3.
This Rhythm strip is:
- A.
Ventricular fibrillation
- B.
Atrial fibrillation
- C.
Sinus bradycardia
- D.
Asystole
Correct Answer
B. Atrial fibrillationExplanation
The given answer is atrial fibrillation. Atrial fibrillation is a cardiac arrhythmia characterized by rapid and irregular electrical activity in the atria of the heart. This results in an irregular and often rapid ventricular response. In an ECG rhythm strip, atrial fibrillation is typically identified by the absence of distinct P waves and the presence of irregularly spaced QRS complexes. This is different from ventricular fibrillation, which is a chaotic and disorganized rhythm that results in no discernible cardiac output. Sinus bradycardia is a regular but slow heart rhythm, while asystole is the absence of any electrical activity in the heart.Rate this question:
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- 4.
This Rhythm strip is:
- A.
Sinus tachycardia
- B.
1st degree av block
- C.
V tach
- D.
Normal sinus rhythm
Correct Answer
D. Normal sinus rhythmExplanation
The given answer is "normal sinus rhythm" because there are consistent P waves preceding each QRS complex, and the rate falls within the normal range of 60-100 beats per minute. Additionally, there are no abnormal or irregular rhythms or blocks present in the strip. Therefore, it can be concluded that the rhythm is normal sinus rhythm.Rate this question:
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- 5.
This Rhythm strip is:
- A.
Sinus arhythmia with non conducted pac
- B.
Normal sinus rhythm
- C.
Sinus bradycardia
- D.
Sinus arrythmia
Correct Answer
A. Sinus arhythmia with non conducted pacExplanation
The correct answer is "sinus arrhythmia with non-conducted PAC." Sinus arrhythmia refers to an irregularity in the normal rhythm of the heart, where the heart rate varies with respiration. Non-conducted PAC (premature atrial contraction) means that an extra heartbeat originates from the atria but fails to conduct to the ventricles, resulting in a pause in the rhythm. This combination of sinus arrhythmia and non-conducted PAC is seen in the given rhythm strip.Rate this question:
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- 6.
This Rhythm strip is:
- A.
Sinus tachycardia
- B.
Svt
- C.
Normal sinus rhythm
- D.
V tach
Correct Answer
A. Sinus tachycardiaExplanation
The given rhythm strip is identified as sinus tachycardia because it shows a regular rhythm with a heart rate greater than 100 beats per minute. Sinus tachycardia occurs when the heart's natural pacemaker (sinus node) sends electrical signals at a faster rate than normal. This can be caused by various factors such as exercise, stress, fever, or certain medications. The strip does not exhibit any abnormal or irregular patterns that would suggest other arrhythmias like SVT (supraventricular tachycardia) or V-tach (ventricular tachycardia). Therefore, the correct answer is sinus tachycardia.Rate this question:
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- 7.
This Rhythm strip is:
- A.
Sinus tachycardia with a pvc
- B.
Sinus tachycardia
- C.
Normal sinus rhythm
- D.
Sinus bradycardia
Correct Answer
B. Sinus tachycardiaExplanation
The given rhythm strip is sinus tachycardia because there are regular P waves preceding each QRS complex, indicating a normal sinus rhythm. The heart rate is elevated, which is characteristic of tachycardia. There is also a premature ventricular contraction (PVC) present, which is an extra, abnormal heartbeat originating from the ventricles.Rate this question:
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- 8.
This Rhythm strip is:
- A.
Normal sinus rhythm
- B.
Sinus bradycardia
- C.
Wandering atrial pacemaker
- D.
Sinus tachycardia
Correct Answer
C. Wandering atrial pacemakerExplanation
A wandering atrial pacemaker refers to a rhythm in which the pacemaker site in the atria shifts between different locations, resulting in variations in the P wave morphology. This can be seen on an ECG strip as irregular P wave shapes and varying PR intervals. It is important to note that the heart rate in a wandering atrial pacemaker is usually within the normal range (60-100 bpm).Rate this question:
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- 9.
This Rhythm strip is:
- A.
Normal sinus rhythm
- B.
Sinus tachycardia
- C.
Sinus bradycardia
- D.
Sinus arrhythmia
Correct Answer
C. Sinus bradycardiaExplanation
The given answer, sinus bradycardia, is correct because the rhythm strip shows a regular sinus rhythm with a heart rate less than 60 beats per minute. Sinus bradycardia is characterized by a slow heart rate originating from the sinus node. It is considered normal in some individuals, such as athletes, but can also be caused by certain medications, heart diseases, or vagal stimulation. In this case, the rhythm strip displays a slow and regular rhythm, indicating sinus bradycardia.Rate this question:
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- 10.
This Rhythm strip is:
- A.
Asystole
- B.
Normal sinus rhythm
- C.
Sinus bradycardia
- D.
Atrial fibrillation
Correct Answer
D. Atrial fibrillationExplanation
The correct answer is atrial fibrillation. Atrial fibrillation is a cardiac arrhythmia characterized by irregular and rapid atrial contractions. It is typically identified by the absence of P waves and the presence of fibrillatory waves on an ECG. In this rhythm strip, there are no discernible P waves, and the irregular and chaotic pattern of the QRS complexes suggests atrial fibrillation.Rate this question:
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- 11.
This Rhythm strip is:
- A.
Accelerated idioventricular rhythm
- B.
Idioventricular rhythm
- C.
Sinus bradycardia
- D.
V tach
Correct Answer
A. Accelerated idioventricular rhythmExplanation
An accelerated idioventricular rhythm is a regular rhythm originating from the ventricles with a rate between 40-100 beats per minute. It is considered accelerated when the rate exceeds the normal sinus rate. This rhythm strip is likely showing an accelerated idioventricular rhythm because it displays a regular rhythm with a rate that is faster than sinus bradycardia but slower than ventricular tachycardia.Rate this question:
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- 12.
This Rhythm strip is:
- A.
Svt
- B.
Sinus tachycardia
- C.
Atrial fibrillation
- D.
Asystole
Correct Answer
C. Atrial fibrillationExplanation
The correct answer is atrial fibrillation. Atrial fibrillation is a type of irregular heart rhythm where the atria (upper chambers of the heart) quiver instead of contracting effectively. This results in an irregular and often rapid heart rate. In the given rhythm strip, there is no clear P wave, and the R-R intervals are irregular, indicating atrial fibrillation.Rate this question:
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- 13.
This Rhythm strip is:
- A.
Normal sinus rhythm
- B.
Sinus bradycardia
- C.
Normal sinus with a run of pac's or sinus tachycardia
- D.
Sinus tachycardia
Correct Answer
D. Sinus tachycardiaExplanation
The given rhythm strip is identified as sinus tachycardia. Sinus tachycardia is characterized by a regular rhythm with a heart rate greater than 100 beats per minute. In this strip, the P waves appear normal and upright, indicating sinus origin. The PR interval and QRS complex durations are within normal limits. The heart rate is elevated, which is consistent with sinus tachycardia.Rate this question:
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- 14.
This Rhythm strip is:
- A.
Sinus tachycardia
- B.
2nd degree type 2 block
- C.
Atrial fibrillation
- D.
Sinus bradycardia
Correct Answer
C. Atrial fibrillationExplanation
Atrial fibrillation is a condition characterized by irregular and rapid electrical impulses in the atria of the heart, leading to an irregular and often fast heart rate. In this rhythm strip, there are no distinct P waves, which indicates that the atria are not contracting in a coordinated manner. Instead, there are irregular, chaotic, and rapid fibrillatory waves present, confirming the diagnosis of atrial fibrillation.Rate this question:
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- 15.
This Rhythm strip is:
- A.
1st degree av block
- B.
Sinus tachycardia
- C.
Atrial fibrillation
- D.
Normal sinus rhythm
Correct Answer
C. Atrial fibrillationExplanation
The given rhythm strip is identified as atrial fibrillation because it shows an irregular and chaotic rhythm with no discernible P waves. In atrial fibrillation, the atria are quivering instead of contracting properly, leading to an irregular ventricular response. This is different from other options like 1st degree AV block, sinus tachycardia, and normal sinus rhythm, which would have specific characteristics that are not observed in the given rhythm strip.Rate this question:
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- 16.
This Rhythm strip is:
- A.
Sinus bradycardia
- B.
1st degree av block
- C.
Normal sinus rhythm
- D.
Normal sinus rhythm with sinus pause
Correct Answer
B. 1st degree av blockExplanation
The given rhythm strip is most likely showing 1st degree AV block. This can be determined by analyzing the PR interval, which appears prolonged and consistent throughout the strip. In 1st degree AV block, there is a delay in the conduction of electrical signals between the atria and ventricles, resulting in a prolonged PR interval. The other options, such as sinus bradycardia, normal sinus rhythm, or sinus pause, do not accurately describe the rhythm strip based on the given information.Rate this question:
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- 17.
This Rhythm strip is:
- A.
Junctional bradycardia
- B.
Junctional rhythm
- C.
Accelerated junctional rhythm
- D.
Atrial fibrillation
Correct Answer
C. Accelerated junctional rhythmExplanation
An accelerated junctional rhythm is characterized by a regular rhythm with a heart rate between 60 and 100 beats per minute. It originates from the AV junction and does not involve the atria. In this rhythm strip, there is a regular rhythm with a heart rate of approximately 70 beats per minute, indicating an accelerated junctional rhythm. Atrial fibrillation is characterized by an irregularly irregular rhythm, which is not present in this strip. Therefore, the correct answer is accelerated junctional rhythm.Rate this question:
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- 18.
This Rhythm strip is:
- A.
Agonal rhythm
- B.
Idioventricular rhythm
- C.
Accelerated idioventricular rhythm
- D.
V tach
Correct Answer
B. Idioventricular rhythmExplanation
An idioventricular rhythm is a slow heart rhythm that originates in the ventricles, the lower chambers of the heart. It is characterized by a wide QRS complex and a slow heart rate, typically between 20-40 beats per minute. In this rhythm strip, the QRS complexes are wide and there is no discernible P wave, indicating that the rhythm is originating in the ventricles rather than the atria. This is consistent with an idioventricular rhythm.Rate this question:
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- 19.
This Rhythm strip is:
- A.
Sinus bradycardia
- B.
Normal sinus rhythm with sinus pauses
- C.
Normal sinus rhythm
- D.
V tach
Correct Answer
B. Normal sinus rhythm with sinus pausesExplanation
The given rhythm strip is classified as "normal sinus rhythm with sinus pauses" because the underlying rhythm shows a regular sinus rhythm with a consistent P wave preceding each QRS complex. However, there are occasional pauses in the rhythm, indicated by the absence of P waves and QRS complexes. These pauses are longer than normal sinus pauses, suggesting the presence of sinus node dysfunction. Therefore, the correct answer is "normal sinus rhythm with sinus pauses."Rate this question:
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- 20.
This Rhythm strip is:
- A.
Second degree type 1 av block
- B.
Second degree type 2 av block
- C.
First degree av block
- D.
Third degree av block
Correct Answer
A. Second degree type 1 av blockExplanation
This rhythm strip is identified as a second-degree type 1 AV block because there is a progressive prolongation of the PR interval until a QRS complex is dropped. This is also known as Wenckebach phenomenon. In this type of AV block, there is a delay in the conduction of electrical signals from the atria to the ventricles, resulting in a dropped QRS complex. This can be seen as a repeating pattern of PR interval lengthening until a QRS complex is missed.Rate this question:
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- 21.
This Rhythm strip is:
- A.
Third degree av block
- B.
Second degree type 1
- C.
Second degree type 2
- D.
First degree av block
Correct Answer
A. Third degree av blockExplanation
The given rhythm strip is classified as third-degree AV block because there is a complete dissociation between the atria and ventricles. This is evident from the regular P waves that are not followed by QRS complexes. The atria and ventricles are beating independently, with the atrial rate being faster than the ventricular rate. This is a serious condition that often requires immediate medical intervention.Rate this question:
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- 22.
This Rhythm strip is:
- A.
Sinus arrythmia
- B.
Third degree
- C.
Second degree type 1
- D.
Second degree type 2
Correct Answer
A. Sinus arrythmiaExplanation
The correct answer is sinus arrhythmia. Sinus arrhythmia is a normal variation in the heart rate that occurs with breathing. It is characterized by irregularity in the R-R intervals, with the heart rate increasing during inspiration and decreasing during expiration. This can be observed on an ECG as slight variations in the distance between consecutive R waves. Sinus arrhythmia is typically benign and does not require treatment unless it is associated with symptoms or underlying heart disease.Rate this question:
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- 23.
This Rhythm strip is:
- A.
Idioventricular rhythm
- B.
Normal sinus rhythm
- C.
Accelerated idioventrivular rhythm
- D.
Agonal rhythm
Correct Answer
C. Accelerated idioventrivular rhythmExplanation
The correct answer is accelerated idioventricular rhythm. This rhythm strip shows a wide QRS complex with a rate between 60-100 beats per minute. The QRS complexes are regular and there is no evidence of atrial activity. This is characteristic of an accelerated idioventricular rhythm, which occurs when the ventricles take over as the primary pacemaker of the heart due to a malfunction in the normal conduction system. It is often seen in the setting of acute myocardial infarction or during reperfusion therapy.Rate this question:
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- 24.
This Rhythm strip is:
- A.
Svt
- B.
Idioventricuar rhythm
- C.
Ventricular tachycardia
- D.
Asystole
Correct Answer
C. Ventricular tachycardiaExplanation
The correct answer is ventricular tachycardia. Ventricular tachycardia is a rapid heart rhythm originating from the ventricles, the lower chambers of the heart. It is characterized by a wide QRS complex on an ECG strip, which is indicative of abnormal electrical activity in the ventricles. This rhythm strip likely shows a rapid heart rate with a wide QRS complex, suggesting ventricular tachycardia.Rate this question:
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- 25.
This Rhythm strip is:
- A.
Junctional rhythm
- B.
First degree av block
- C.
Second degree type 1
- D.
Second degree type 2
Correct Answer
A. Junctional rhythmExplanation
The given rhythm strip is identified as a junctional rhythm based on the absence of P waves preceding the QRS complex. In a junctional rhythm, the electrical impulses originate from the AV junction instead of the sinus node. This results in a narrow QRS complex and a regular rhythm. The absence of P waves indicates that the impulse is not originating from the atria. Therefore, based on the characteristics observed in the rhythm strip, the correct answer is junctional rhythm.Rate this question:
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Current Version
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Mar 21, 2023Quiz Edited by
ProProfs Editorial Team -
Jun 26, 2014Quiz Created by
Nathaniel
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