Department of Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India.
Pacing Clin Electrophysiol. 2021 Apr;44(4):720-722. doi: 10.1111/pace.14207. Epub 2021 Mar 8.
A 45-years-old lady with no structural heart disease on echocardiogram presented with recurrent episodes of palpitation. There was no baseline preexcitation. Twelve lead surface electrocardiograms (ECG) recorded during one of the episodes are provided. What is the likely mechanism of the tachycardia? [Figure: see text].
一位 45 岁女性，超声心动图未见结构性心脏病，反复出现心悸。静息时无预激。提供了其中一次发作时的 12 导联体表心电图（ECG）。心动过速的可能机制是什么？[图：见正文]。
