Leads aVR, aVL and aVF
Leads aVR, aVL and aVF
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Leads aVR, aVL and aVF (‘augmented leads’) are inferred using the information from leads I-III, using the principle of Einthoven’s triangle.
aVL
aVL
aVL is the difference between the sum of ‘Right Arm’ and ‘Left Leg’ in the direction of ‘Left Arm’.
aVR
aVR
aVR is the difference between the sum of ‘Left Arm’ and ‘Left Leg’ in the direction of ‘Right Arm’.
aVF
aVF
aVF is the difference between the sum of ‘Right Arm’ and ‘Left Arm’ in the direction of ‘Left Leg’.
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