ECG Lead Placement and Technique Flashcards
7 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 7 ECG Lead Placement and Technique flashcards as text
In the standard limb lead system, where is the RA (right arm) electrode placed?
Answer: Right wrist or right forearm
The RA electrode is placed on the right arm, typically the wrist or forearm.
Which limb electrode is the neutral or ground lead?
Answer: Right leg (RL)
The right leg (RL) electrode serves as the ground/neutral reference.
What color is the LA (left arm) electrode in the American (AHA) color code?
Answer: Black
In the AHA system, the left arm electrode is black.
Under the AHA color code, the RA electrode is:
Answer: White
The right arm electrode is white in the AHA color scheme.
The LL (left leg) electrode color in the AHA system is:
Answer: Red
The left leg electrode is red in the AHA color code.
Why should limb electrodes be placed on fleshy areas rather than over bone?
Answer: To reduce artifact and improve conduction
Fleshy sites improve electrical contact and reduce motion and bone-related artifact.
In the AHA color code, the RL (right leg) electrode is:
Answer: Green
The right leg ground electrode is green in the AHA scheme.
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Sources & references
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- nhanow.com — Passing score, test delivery, eligibility, renewal, score release, time limit · verified Oct 2026
- cci-online.org — Test delivery, fees, exam format, passing score, renewal, score release · verified Oct 2026