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Dysrhythmias EXAM 2

Quiz by Brittany

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33 questions
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  • Q1
    To determine whether there is a delay in impulse conduction through the ventricles, the nurse will measure the duration of the patient’s
    Q wave
    PR interval.
    P wave
    QRS complex
  • Q2
    The nurse needs to quickly estimate the heart rate for a patient with a regular heart rhythm. Which method will be best to use?
    Count the number of large squares in the R-R interval and divide by 300.
    Calculate the number of small squares between one QRS complex and the next and divide into 1500.
    Use the 3-second markers to count the number of QRS complexes in 6 seconds and multiply by 10
    Print a 1-minute electrocardiogram (ECG) strip and count the number of QRS complexes.
  • Q3
    A patient has a junctional escape rhythm on the monitor. The nurse will expect the patient to have a heart rate of _____ beats/min.
    40 to 60
    60 to 100
    15 to 20
    20 to 40
  • Q4
    The nurse obtains a rhythm strip on a patient who has had a myocardial infarction and makes the following analysis: no visible P waves, PR interval not measurable, ventricular rate of 162, R-R interval regular, and QRS complex wide and distorted, and QRS duration of 0.18 second. The nurse interprets the patient’s cardiac rhythm as
    ventricular fibrillation.
    sinus tachycardia
    atrial flutter.
    ventricular tachycardia.
  • Q5
    The nurse notes that a patient’s heart monitor shows that every other beat is earlier than expected, has no visible P wave, and has a QRS complex that is wide and bizarre in shape. How will the nurse document the rhythm?
    Ventricular bigeminy
    Ventricular R-on-T phenomenon
    Ventricular couplets
    Multifocal premature ventricular contractions
  • Q6
    A patient has a sinus rhythm and a heart rate of 72 beats/min. The nurse determines that the PR interval is 0.24 seconds. The most appropriate intervention by the nurse would be to
    give atropine per agency dysrhythmia protocol.
    notify the health care provider immediately.
    prepare the patient for temporary pacemaker insertion.
    document the finding and monitor the patient.
  • Q7
    A patient who was admitted with a myocardial infarction experiences a 45-second episode of ventricular tachycardia, then converts to sinus rhythm with a heart rate of 98 beats/min. Which action should the nurse take next?
    Prepare to give IV amiodarone per agency dysrhythmia protocol.
    Document the rhythm and continue to monitor the patient.
    Perform synchronized cardioversion per agency dysrhythmia protocol.
    Immediately notify the health care provider.
  • Q8
    After the nurse gives IV atropine to a patient with symptomatic type 1, second-degree atrioventricular (AV) block, which finding indicates that the drug has been effective?
    Decrease in premature ventricular contractions
    Decrease in premature atrial contractions
    Increase in the patient’s heart rate
    Increase in strength of peripheral pulses
  • Q9
    A patient with dilated cardiomyopathy has new onset atrial fibrillation that has been unresponsive to drug therapy for several days. Teaching for this patient would include information about
    permanent pacemakers.
    IV adenosine (Adenocard)
    anticoagulant therapy.
    emergency cardioversion.
  • Q10
    Which information will the nurse include when teaching a patient who is scheduled for a radiofrequency catheter ablation for treatment of atrial flutter?
    The procedure uses cold therapy to stop the formation of the flutter waves.
    The procedure stimulates the growth of new conduction pathways between the atria.
    The procedure prevents or minimizes the risk for sudden cardiac death.
    The procedure uses electrical energy to destroy areas of the conduction system.
  • Q11
    The nurse knows that discharge teaching about the management of a new permanent pacemaker has been most effective when the patient states
    “I will notify the airlines when I make a reservation that I have a pacemaker.”
    “I won’t lift the arm on the pacemaker side until I see the health care provider.”
    I will avoid cooking with a microwave oven or being near one in use.”
    “It will be several weeks before I can return to my usual activities.”
  • Q12
    Which intervention by a new nurse who is caring for a patient who has just had an implantable cardioverter-defibrillator (ICD) inserted indicates a need for more teaching about the care of patients with ICDs?
    The nurse administers amiodarone (Cordarone) to the patient.
    The nurse teaches the patient that sexual activity can be resumed when the incision is healed.
    The nurse encourages the patient to do active range of motion exercises for all extremities.
    The nurse helps the patient fill out the application for obtaining a Medic Alert device.
  • Q13
    Which action should the nurse perform when preparing a patient with supraventricular tachycardia for cardioversion who is alert and has a blood pressure of 110/66 mm Hg?
    Set the defibrillator/cardioverter energy to 360 joules.
    Turn the synchronizer switch to the “off” position.
    Provide assisted ventilations with a bag-valve-mask device.
    Give a sedative before cardioversion is implemented.
  • Q14
    A 20-yr-old patient has a mandatory electrocardiogram (ECG) before participating on a college soccer team and is found to have sinus bradycardia, rate 52. Blood pressure (BP) is 114/54 mm Hg, and the student denies any health problems. What action by the nurse is most appropriate?
    Refer the student to a cardiologist for further testing.
    Allow the student to participate on the soccer team.
    Tell the student to stop playing immediately if any dyspnea occurs.
    Obtain more detailed information about the student’s family health history.
  • Q15
    When analyzing the rhythm of a patient’s electrocardiogram (ECG), the nurse will need to investigate further upon finding a(n)
    PR interval of 0.18 second.
    isoelectric ST segment
    QT interval of 0.38 second.
    QRS interval of 0.14 second.

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