PVC Burden & Cardiomyopathy Risk

PVC-Induced Cardiomyopathy Risk Assessment

PVC Burden (%)

From 24-hour Holter monitor

Current LVEF (%)

PVC QRS Duration (ms)

Wider QRS (>150ms) may indicate epicardial origin

PVC Morphology in V1

LBBB-likeEpicardial / RVOT origin

RBBB-likeLV origin

Retrograde P waves presentIndicates VA conduction

Interpolated PVCs present

PVCs are predominantly interpolated

Duration of PVCs > 2 years

SymptomaticPalpitations, presyncope, dyspnea

Male sex

No reversible cause identified

PVC Burden Category —

Risk Factors Present —

Cardiomyopathy Risk —

Enter PVC burden and LVEF to assess risk.