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Lead Reversal Limb lead reversal (Example 1) Limb lead reversal (Example 2) If the limb lead that was supposed to be attached to the right arm is put on the left arm and vise-versa, a characteristic appearance will be seen on EKG that includes: 1) Predominately negative P wave, QRS complex, and T wave in lead I 2) Predominately upward P wave, QRS complex, and T wave in aVR This is the opposite that is seen in a normal EKG. The above findings are similar to that seen in a person with dextrocardia, however if the heart is located in the right side of the chest instead of the left, the voltage in leads V3-V6 will be very low. This would not be seen in simple limb lead reversal. |
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