EKG Lead Placement Knowledge Review Quiz

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| By Milly
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Milly
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EKG Lead Placement Knowledge Review Quiz - Quiz

Instructions: You will have 2 attempts to take the quiz. If you are unsuccessful, you will be required to do the hands-on demonstration for EKG placement. You must provide your RHJ VAMC email. You must give your first and last name (only) when taking the test to be given credit. NO initials will be accepted for credit for completing the test. If you have any issue with the test, please notify your educator. Thanks


Questions and Answers
  • 1. 

    Which of the following is a contraindication for performing an EKG?

    • A.

      Diagnosis of abnormal conductions of impulses through the heart

    • B.

      Abnormalities resulting from blood flow problems

    • C.

      Severe trauma to the chest

    • D.

      Preoperative assessment

    Correct Answer
    C. Severe trauma to the chest
    Explanation
    Performing an EKG involves placing electrodes on the chest to measure the electrical activity of the heart. Severe trauma to the chest can cause damage to the underlying structures, including the heart, and may interfere with the accuracy of the EKG results. Therefore, it is a contraindication for performing an EKG.

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  • 2. 

    The best position to place your patient for an EKG is with their head flat or at no more than 90 degrees.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Placing the patient's head flat or at no more than 90 degrees is not the best position for an EKG. The correct position for an EKG is to have the patient lying flat on their back with their head elevated at a 30-degree angle. This position helps to ensure accurate readings and minimize any potential discomfort for the patient.

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  • 3. 

    The best electrical conduction when performing an EKG can be seen when you de-fat and abrade the skin. 

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    When performing an EKG, de-fatting and abrading the skin can improve electrical conduction. De-fatting involves removing any oils or lotions from the skin, which can create a barrier between the electrodes and the skin. Abrading the skin helps to remove dead skin cells and create a rougher surface, which enhances the contact between the electrodes and the skin. These steps ensure better electrical conduction, allowing for more accurate readings during an EKG.

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  • 4. 

    Oily skin should be cleansed first with alcohol and then washed with soap and water.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is false because cleansing oily skin with alcohol can strip away the natural oils and disrupt the skin's barrier, leading to dryness and irritation. It is recommended to cleanse oily skin with a gentle cleanser specifically formulated for oily skin, followed by rinsing with water.

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  • 5. 

    When applying the electrodes to the patient, all leads should point in the direction of the patient's head.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is false because when applying electrodes to a patient, the leads should actually point in the opposite direction of the patient's head. This is to ensure that the electrical signals captured by the electrodes are recorded correctly and can be interpreted accurately. Placing the leads in the wrong direction could lead to incorrect readings and potentially affect the diagnosis and treatment of the patient.

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  • 6. 

    You should always place limb leads over bony prominences.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Placing limb leads over bony prominences is not necessary or recommended. Limb leads are typically placed on the fleshy parts of the limbs, such as the upper arm and thigh, to ensure good contact and accurate readings. Placing them over bony areas can result in poor contact and unreliable readings.

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  • 7. 

    Which of the following are unsatisfactory technical tracings that may be identified when performing an EKG on your patient?

    • A.

      Electrical interference

    • B.

      Wandering baseline

    • C.

      Muscle tremor

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    The correct answer is "all of the above" because electrical interference, wandering baseline, and muscle tremor are all examples of unsatisfactory technical tracings that can be identified when performing an EKG on a patient. Electrical interference can result from external sources such as electrical equipment or poor electrode contact, causing artifacts on the EKG tracing. Wandering baseline refers to a fluctuating baseline that can make it difficult to interpret the EKG accurately. Muscle tremor can also cause artifacts and distort the EKG tracing, making it unreliable for analysis.

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