Question 1

Interpret the following rhythm:

Accepted Answer

A)  Sinus rhythm with multifocal premature ventricular contractions 
B)  Sinus rhythm with unifocal premature ventricular contractions 
C)  Sinus rhythm with bigeminal premature ventricular contractions 
D)  Sinus rhythm with paired premature ventricular contractions (couplets) 
A)  Sinus rhythm with multifocal premature ventricular contractions 
B)  Sinus rhythm with unifocal premature ventricular contractions 
C)  Sinus rhythm with bigeminal premature ventricular contractions 
D)  Sinus rhythm with paired premature ventricular contractions (couplets) A

Question 2

Interpret the following rhythm:

Accepted Answer

A)  R-on-T phenomenon leading to ventricular fibrillation 
B)  Sinus rhythm with multifocal premature ventricular contractions 
C)  Nonsustained ventricular tachycardia 
D)  Sinus rhythm with bigeminal premature ventricular contractions 
A)  R-on-T phenomenon leading to ventricular fibrillation 
B)  Sinus rhythm with multifocal premature ventricular contractions 
C)  Nonsustained ventricular tachycardia 
D)  Sinus rhythm with bigeminal premature ventricular contractions A

Question 3

Interpret the following rhythm:

Accepted Answer

A)  Atrial flutter with variable conduction 
B)  Ventricular fibrillation 
C)  Atrial fibrillation 
D)  Atrial flutter with RVR (rapid ventricular response) 
A)  Atrial flutter with variable conduction 
B)  Ventricular fibrillation 
C)  Atrial fibrillation 
D)  Atrial flutter with RVR (rapid ventricular response) A

Question 4

Interpret the following rhythm:

Accepted Answer

A)  Atrial fibrillation 
B)  Atrial flutter 
C)  Atrial flutter with RVR 
D)  Junctional escape rhythm 
A)  Atrial fibrillation 
B)  Atrial flutter 
C)  Atrial flutter with RVR 
D)  Junctional escape rhythm

Question 5

The nurse is examining the patient's cardiac rhythm strip in lead II and notices that all of the P waves are upright and look the same except one that has a different shape and is inverted.The nurse realizes that the P wave with the abnormal shape is probably

Accepted Answer

A)  from the SA node because all P waves come from the SA node. 
B)  from some area in the atria other than the SA node. 
C)  indicative of ventricular depolarization. 
D)  normal even though it is inverted in lead II. 
A)  from the SA node because all P waves come from the SA node. 
B)  from some area in the atria other than the SA node. 
C)  indicative of ventricular depolarization. 
D)  normal even though it is inverted in lead II.

Question 6

Interpret the following rhythm:

Accepted Answer

A)  Sinus rhythm with PACs 
B)  Normal sinus rhythm 
C)  Sinus tachycardia 
D)  Sinus bradycardia 
A)  Sinus rhythm with PACs 
B)  Normal sinus rhythm 
C)  Sinus tachycardia 
D)  Sinus bradycardia

Question 7

Interpret the following rhythm:

Accepted Answer

A)  Normal sinus rhythm 
B)  Sinus bradycardia 
C)  Sinus tachycardia 
D)  Sinus arrhythmia 
A)  Normal sinus rhythm 
B)  Sinus bradycardia 
C)  Sinus tachycardia 
D)  Sinus arrhythmia

Question 8

The patient is in third-degree heart block (complete heart block)and is symptomatic.The treatment for this patient is which of the following?

Accepted Answer

A)  Transcutaneous pacemaker 
B)  Atropine IV 
C)  Temporary transvenous pacemaker 
D)  Permanent pacemaker 
E)  Amiodarone IV 
A)  Transcutaneous pacemaker 
B)  Atropine IV 
C)  Temporary transvenous pacemaker 
D)  Permanent pacemaker 
E)  Amiodarone IV

Question 9

The nurse notices ventricular tachycardia on the heart monitor.When the patient is assessed,the patient is found to be unresponsive with no pulse.The nurse should

Accepted Answer

A)  treat with intravenous amiodarone or lidocaine. 
B)  begin cardiopulmonary resuscitation and advanced life support. 
C)  provide electrical cardioversion. 
D)  ignore the rhythm because it is benign. 
A)  treat with intravenous amiodarone or lidocaine. 
B)  begin cardiopulmonary resuscitation and advanced life support. 
C)  provide electrical cardioversion. 
D)  ignore the rhythm because it is benign.

Question 10

The patient is in chronic junctional escape rhythm with no atrial activity noted.Studies have demonstrated normal AV node function.This patient may be a candidate for which type of pacing?

Accepted Answer

A)  Atrial pacing 
B)  Ventricular pacing 
C)  Dual-chamber pacing 
D)  Transcutaneous pacing 
A)  Atrial pacing 
B)  Ventricular pacing 
C)  Dual-chamber pacing 
D)  Transcutaneous pacing

Question 11

Interpret the following rhythm:

Accepted Answer

A)  Idioventricular rhythm 
B)  Accelerated idioventricular rhythm 
C)  Ventricular tachycardia 
D)  Ventricular fibrillation 
A)  Idioventricular rhythm 
B)  Accelerated idioventricular rhythm 
C)  Ventricular tachycardia 
D)  Ventricular fibrillation

Question 12

The patient is admitted with a condition that requires cardiac rhythm monitoring.To apply the monitoring electrodes,the nurse must first

Accepted Answer

A)  apply a moist gel to the chest. 
B)  make certain that the electrode gel is dry. 
C)  avoid soaps to avoid skin irritation. 
D)  clip chest hair if needed. 
A)  apply a moist gel to the chest. 
B)  make certain that the electrode gel is dry. 
C)  avoid soaps to avoid skin irritation. 
D)  clip chest hair if needed.

Question 13

One of the functions of the atrioventricular (AV)node is to

Accepted Answer

A)  pace the heart if the ventricles fail. 
B)  slow the impulse arriving from the SA node. 
C)  send the impulse to the SA node. 
D)  allow for ventricular filling during systole. 
A)  pace the heart if the ventricles fail. 
B)  slow the impulse arriving from the SA node. 
C)  send the impulse to the SA node. 
D)  allow for ventricular filling during systole.

Question 14

The nurse caring for patients with cardiac monitoring understands that when an electrical signal is aimed directly at the positive electrode,the inflection will be:

Accepted Answer

A)  negative. 
B)  upside down. 
C)  upright. 
D)  equally positive and negative. 
A)  negative. 
B)  upside down. 
C)  upright. 
D)  equally positive and negative.

Question 15

The patient is scheduled to have a permanent pacemaker implanted.The patient asks the nurse,"How long will the battery in this thing last?" The nurse should answer,

Accepted Answer

A)  "Life expectancy is about 1 year. Then it will need to be replaced." 
B)  "Pacemaker batteries can last up to 25 years with constant use." 
C)  "Battery life varies depending on usage, but it can last up to 10 years." 
D)  "Pacemakers are used to treat temporary problems, so the batteries don't last long." 
A)  "Life expectancy is about 1 year. Then it will need to be replaced." 
B)  "Pacemaker batteries can last up to 25 years with constant use." 
C)  "Battery life varies depending on usage, but it can last up to 10 years." 
D)  "Pacemakers are used to treat temporary problems, so the batteries don't last long."

Question 16

Interpret the following rhythm:

Accepted Answer

A)  Atrial pacing 
B)  Ventricular pacing 
C)  Dual-chamber pacing 
D)  Transcutaneous pacing 
A)  Atrial pacing 
B)  Ventricular pacing 
C)  Dual-chamber pacing 
D)  Transcutaneous pacing

Question 17

Interpret the following rhythm:

Accepted Answer

A)  First-degree AV block 
B)  Second-degree AV block Mobitz I (Wenckebach phenomenon) 
C)  Second-degree AV block Mobitz II 
D)  Third-degree AV block (complete heart block) 
A)  First-degree AV block 
B)  Second-degree AV block Mobitz I (Wenckebach phenomenon) 
C)  Second-degree AV block Mobitz II 
D)  Third-degree AV block (complete heart block)

Question 18

The possible P waveforms that are associated with junctional rhythms include which of the following?

Accepted Answer

A)  No P wave 
B)  Inverted P wave 
C)  Shortened PR interval 
D)  P wave after the QRS complex 
E)  Normal P wave and PR interval 
A)  No P wave 
B)  Inverted P wave 
C)  Shortened PR interval 
D)  P wave after the QRS complex 
E)  Normal P wave and PR interval

Question 19

The patient has a permanent pacemaker inserted.The provider has set the pacemaker to the demand mode at a rate of 60 beats per minute.The nurse realizes that

Accepted Answer

A)  the pacemaker will pace only if the patient's intrinsic heart rate is less than 60 beats per minute. 
B)  the demand mode often competes with the patient's own rhythm. 
C)  the demand mode places the patient at risk for the R-on-T phenomenon. 
D)  the fixed-rate mode is safer and is the mode of choice. 
A)  the pacemaker will pace only if the patient's intrinsic heart rate is less than 60 beats per minute. 
B)  the demand mode often competes with the patient's own rhythm. 
C)  the demand mode places the patient at risk for the R-on-T phenomenon. 
D)  the fixed-rate mode is safer and is the mode of choice.

Question 20

Interpret the following rhythm:

Accepted Answer

A)  Normal pacemaker function 
B)  Failure to capture 
C)  Failure to pace 
D)  Failure to sense 
A)  Normal pacemaker function 
B)  Failure to capture 
C)  Failure to pace 
D)  Failure to sense

Exam 7: Dysrhythmia Interpretation and Management

Interpret the following rhythm:

Interpret the following rhythm:

Interpret the following rhythm:

Interpret the following rhythm:

The nurse is examining the patient's cardiac rhythm strip in lead II and notices that all of the P waves are upright and look the same except one that has a different shape and is inverted.The nurse realizes that the P wave with the abnormal shape is probably

Interpret the following rhythm:

Interpret the following rhythm:

The patient is in third-degree heart block (complete heart block)and is symptomatic.The treatment for this patient is which of the following?

The nurse notices ventricular tachycardia on the heart monitor.When the patient is assessed,the patient is found to be unresponsive with no pulse.The nurse should

The patient is in chronic junctional escape rhythm with no atrial activity noted.Studies have demonstrated normal AV node function.This patient may be a candidate for which type of pacing?

Interpret the following rhythm:

The patient is admitted with a condition that requires cardiac rhythm monitoring.To apply the monitoring electrodes,the nurse must first

One of the functions of the atrioventricular (AV)node is to

The nurse caring for patients with cardiac monitoring understands that when an electrical signal is aimed directly at the positive electrode,the inflection will be:

The patient is scheduled to have a permanent pacemaker implanted.The patient asks the nurse,"How long will the battery in this thing last?" The nurse should answer,

Interpret the following rhythm:

Interpret the following rhythm:

The possible P waveforms that are associated with junctional rhythms include which of the following?

The patient has a permanent pacemaker inserted.The provider has set the pacemaker to the demand mode at a rate of 60 beats per minute.The nurse realizes that

Interpret the following rhythm:

Overview of Critical Care Nursing

Patient and Family Response to the Critical Care Experience

Ethical and Legal Issues in Critical Care Nursing

End-Of-Life Care and Palliative Care in Critical Care Settings

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Nutritional Support

Hemodynamic Monitoring

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Rapid Response Teams and Code Management

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Cardiovascular Alterations

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