在隨后的隨訪過程中，患者復查的心臟彩超提示心功能已經完全恢復正常（如下），從而證實患者心功能不全是因為預激惹的禍。
到此，該患者的問題已經明確。希望此病例對急診醫師、心內科醫師有所幫助。
參考文獻：
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.