emilymontalvo3896 emilymontalvo3896 09-02-2024 Health contestada In which leads must a P wave be upright? 1) Lead I 2) Lead II 3) Lead III 4) Lead aVR 5) Lead aVL 6) Lead aVF 7) Lead V1 8) Lead V2 9) Lead V3 10) Lead V4 11) Lead V5 12) Lead V6