Epsilon wave
Seen in 30-50% of cases
Most specific finding
Small positive deflection at the end of the QRS complex
V1-V3 T wave inversions
Seen in 85% of cases
Especially in patients >14 yrs old)
Localised QRS widening
110 ms in V1-V3
Sudden VT episodes with LBBB morphology
Prolonged S-wave upstroke
55 ms in V1-3
Seen in 95% of cases
Seen in 30-50% of cases
Most specific finding
Small positive deflection at the end of the QRS complex
Seen in 85% of cases
Especially in patients >14 yrs old)
110 ms in V1-V3
55 ms in V1-3
Seen in 95% of cases
Major and minor criteria rely on echo and cardiac MRI
Echocardiography
Hypokinetic and dilated<unk>  ventricle
Dilation of RVOT
Cardiac MRI 
Fibro-fatty infiltration
Thinning of<unk><unk>  myocardium
RV aneurysm
RV dilatation
Regional wall motion abnormalities
Global systolic dysfunction
Histological studies provide post-mortem diagnosis
May prompt testing in family members
Hypokinetic and dilated<unk>  ventricle
Dilation of RVOT
Fibro-fatty infiltration
Thinning of<unk><unk>  myocardium
RV aneurysm
RV dilatation
Regional wall motion abnormalities
Global systolic dysfunction
May prompt testing in family members
Arrhythmogenic right ventricular dysplasia
Dilated cardiomyopathy
Stone heart
Hypertrophic cardiomyopathy
Hypoplastic left heart syndrome
Restrictive cardiomyopathy
Peripartum cardiomyopathy
Total anomalous pulmonary venous return