在随后的随访过程中，患者复查的心脏彩超提示心功能已经完全恢复正常（如下），从而证实患者心功能不全是因为预激惹的祸。
到此，该患者的问题已经明确。希望此病例对急诊医师、心内科医师有所帮助。
参考文献：
1. Shuenn-Nan Chiu, Chi-Wei Chang, et al. Restored cardiac function after successful resynchronization by right anterior and anteroseptal accessory pathway ablation in Wolff-Parkinson-White syndrome associated dilated cardiomyopathy[J]. International Journal of Cardiology. 2013; 163(1): e19-20.
2. Brian T. Fengler MD, William J, et al. Atrial fibrillation in the Wolff-Parkinson-White syndrome: ECG recognition and treatment in the ED. American Journal of Emergency Medicine. 2007; 25(5):576–583. https://doi.org/10.1016/j.ajem.2006.10.017.
