ECG Quest > Basics > Artefact > Electrode misplacement > LA/RL electrode reversal

LA/RL electrode reversal

This is a difficult error to detect. The easiest sign to see is that lead III is flat. aVL and aVF will be switched. Lead I and II will look the same, and aVR will be an upside down lead II.

See also: Electrode misplacement

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