Premature ventricular contractions with two QRS morphologies originate from one focus in great cardiac vein

• Juan Ma, MD,
• Ke-Xiang Wu, MD,
• Yu-Bin Wang, MD,
• Chang-Sheng Ma, MD, FHRS,
• Jian-Min Chu, MD

Affiliations

Juan Ma, MD

Weifang Medical University, Weifang, China

Ke-Xiang Wu, MD

Weifang Medical University, Weifang, China

Yu-Bin Wang, MD

Weifang Medical University, Weifang, China

Chang-Sheng Ma, MD, FHRS

National Clinical Research Center for Cardiovascular Diseases & Cardiology Department, Beijing An Zhen Hospital Capital Medical University, Beijing, China

Jian-Min Chu, MD

FuWai Hospital, National Center For Cardiovascular Diseases of China, Beijing, China