Table 2.

Revised Task Force ECG Criteria for the Diagnosis of ARVD

Revised Task Force Criteria: ECG Criteria
Major	Minor
I. Repolarization abnormalities
• Inverted T waves in right precordial leads (V1–3) or beyond in individuals >14 years of age (in the absence of complete right bundle‐branch block QRS ≥120 ms)	• Inverted T waves in leads V1 and V2 in individuals >14 years of age (in the absence of complete right bundle‐branch block or in V4, V5, or V6)
	• Inverted T waves in leads in V1, V2, V3, and V4 in individuals >14 years of age in the presence of complete right bundle‐branch block
II. Depolarization/conduction abnormalities
• Epsilon wave (reproducible low‐amplitude signals between end of QRS complex to onset of the T wave) in the right precordial leads (V1–3)	• Late potentials by SAECG in ≥5: 1 of 3 parameters in the absence of a QRS duration of ≥110 ms on the standard ECG
	• Filtered QRS duration (fQRS) ≥2: 114 ms
	• Duration of terminal QRS <40 uV (low‐amplitude signal duration) ≥38 ms
	• Root‐mean‐square voltage of terminal 40 ms ≤ 20 uV
	• Terminal activation duration of QRS ≥55 ms measured from the nadir of the S wave to the end of the QRS, including R’, in V1, V2, or V3, in the absence of complete right bundle‐branch block
III. Arrhythmias
• Nonsustained or sustained ventricular tachycardia of left bundle‐branch morphology with superior axis (negative or indeterminate QRS in leads II, III, and aVF and positive in lead aVL)	• Nonsustained or sustained ventricular tachycardia of RV outflow configuration, left bundle‐branch block morphology with inferior axis (positive QRS in leads II, III, and aVF and negative in lead aVL) or of unknown axis
	• >500 ventricular extrasystoles per 24 hours (Holter)

Criteria for definitive diagnosis requires either two major criteria, one major and two minor criteria, or four minor criteria from different categories.5