CLINICAL RESOURCES
EASY WPW AP Localization
Step 1: V1 Polarity
Positive
Negative/Isoelectric
Left Sided
Step 2: Most Positive Delta Wave
aVL
II or aVR
III
Right Sided
Step 2: QRS transition ≤ V3
Yes
No
Step 3: Most positive Delta Wave
II or III
aVL or aVR
Step 3: Most Positive Delta Wave
II
III
aVR
aVL
Reset
Reference:
El Hamriti et al 2023
