Explain the meaning of the letters in aVR, aVL, and aVF
What will be an ideal response?
The a in aVR, aVL, and aVF refers to augmented. The V refers to voltage. The R refers to right arm, the L to left arm, and the F to foot (usually of the left leg). The position of the positive electrode corresponds to the last letter in each of these leads. The positive pole in aVR is located on the right arm, aVL has a positive pole at the left arm, and aVF has a positive electrode positioned on the left leg.
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