In a normal ECG which lead does it represent?: (A) aVL, (B) aVR, (C) V1, (D) V6
Answer is B. The aVR is often neglected lead. It is an unipolar lead facing the right superior surface. As all the depolarization are going away from lead aVR, all waves are negative in aVR (P, QRS, T) in normal sinus rhythm.