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ECG Lead Placement and Equipment Flashcards

6 cards from real ECG practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 ECG Lead Placement and Equipment flashcards as text

  1. Where is the V1 precordial lead electrode placed?

    Answer: 4th intercostal space, right sternal border

    V1 is placed at the 4th intercostal space along the right sternal border.

  2. Which color is the right arm (RA) lead wire in standard US ECG color coding?

    Answer: White

    In the US AHA color coding system, the right arm lead is white.

  3. The V4 precordial lead is placed at which location?

    Answer: 5th intercostal space, midclavicular line

    V4 is placed at the 5th intercostal space at the left midclavicular line.

  4. What is the standard paper speed used for ECG recordings in the US?

    Answer: 25 mm/sec

    The standard ECG paper speed in the US is 25 mm/sec.

  5. Which lead is considered the ground lead in a standard 12-lead ECG setup?

    Answer: Right leg (RL)

    The right leg lead serves as the electrical ground in a standard 12-lead ECG.

  6. V6 is placed at which anatomical position?

    Answer: 5th intercostal space, midaxillary line

    V6 is placed at the 5th intercostal space at the left midaxillary line.

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Sources & references

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  1. nhanow.com — Test delivery, score release, score validity, eligibility, passing score, renewal, retake policy · verified Oct 2026
  2. info.nhanow.com — Time limit · verified Oct 2026