ECG Analysis

10 Questions | Total Attempts: 614

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ECG Quizzes & Trivia

This is a 10 question quiz which covers the content that we have covered in class and online this week. Please choose the best answer.


Questions and Answers
  • 1. 
    When analyzing an ECG strip, the nurse ascertains which of the following measurements are outside of normal limits?
    • A. 

      PR Interval 0.16, QRS 0.04

    • B. 

      PR Interval 0.30, QRS 0.06

    • C. 

      PR Interval 0.12, QRS 0.04

    • D. 

      PR Interval 0.18, ORS 0.06

  • 2. 
     Which of the following must be included when interpreting an ECG strip?
    • A. 

      RT interval

    • B. 

      PR interval

    • C. 

      PU segment

    • D. 

      RS segement

  • 3. 
    The nurse correlates the QRS complex to the cardiac cycle by stating, “The QRS complex represents…”
    • A. 

      “atrial depolarization.”

    • B. 

      "ventricular repolarization.”

    • C. 

      “atrial repolarization.”

    • D. 

      "ventricular depolarization.”

  • 4. 
    When analyzing an ECG, the nurse correlates movement of the waveform horizontally across ECG paper with
    • A. 

      Amplitude.

    • B. 

      Voltage.

    • C. 

      Intensity.

    • D. 

      Time.

  • 5. 
    When assessing the ECG of a client who is experiencing chest pain, the nurse observes that the ST segment is 3 millimeters below the isoelectric line.  The nurse determines that this is
    • A. 

      A result of artifact.

    • B. 

      Suggestive of myocardial ischemia.

    • C. 

      Not significant unless it is greater than 5mm.

    • D. 

      An expected finding

  • 6. 
    Which of the following statements indicates that the student nurse understands the sequence method of measuring ECGs?
    • A. 

      “I need to count the number of R waves during a six second period and multiply that number by 10.”

    • B. 

      “I need to count the number of large boxes present and divide that number by 1500.”

    • C. 

      “I need to select an R wave that falls on dark vertical line and number the next 6 dark vertical lines as 300, 150, 100, 75, 60, 50.”

    • D. 

      “I need to count the number of small boxes present and divide that number by 300.”

  • 7. 
    When studying an ECG strip, the nurse observes the presence of a Q wave and determines that this waveform is
    • A. 

      The first downward deflection following the P wave.

    • B. 

      Only visible if pathology is present.

    • C. 

      Considered normal if less than 0.04 sec duration and less than 25% of the amplitude of the R wave.

    • D. 

      Both A and C.

  • 8. 
    Which of the following ECG findings require further evaluation?
    • A. 

      PR interval of 0.14sec

    • B. 

      PR interval of 0.18sec

    • C. 

      QRS complex of 0.14sec

    • D. 

      QRS complex of 0.06sec

  • 9. 
    Which of the following statements indicates the nurse is analyzing an ECG strip appropriately?
    • A. 

      "The rate is not important as long as the R waves are spaced equally.”

    • B. 

      “Evaluating the overall appearance of the strip is the most important aspect of analyzing ECGs.”

    • C. 

      “As long as the measurements are correct, it is not necessary to follow any particular order.”

    • D. 

      “It is important to analyze the ECG strip in a systematic fashion.”

  • 10. 
    Which of the following conditions put a client at risk for developing dysrhythimas? (Please select all that apply)
    • A. 

      Chronic Obstructive Pulmonary Disease (COPD)

    • B. 

      An SaO2 of 95%

    • C. 

      Sick Sinus Syndrome

    • D. 

      A serum potassium level of 4.1 mEq/L