Supraventricular tachycardia with alternating QRS morphology and cycle length

• Yuan-Qiu-Zi Ma,
• Hua-Kang Li,
• Hong Cai,
• Zhi-Yuan Song,
• Li Zhong

Affiliations

Yuan-Qiu-Zi Ma

Southwest Hospital of the Third Military Medical University, Chongqing 400038, China

Hua-Kang Li

Corresponding author.; Southwest Hospital of the Third Military Medical University, Chongqing 400038, China

Hong Cai

Southwest Hospital of the Third Military Medical University, Chongqing 400038, China

Zhi-Yuan Song

Southwest Hospital of the Third Military Medical University, Chongqing 400038, China

Li Zhong

Southwest Hospital of the Third Military Medical University, Chongqing 400038, China