Patient: paroxysmal palpitations for 5 years, aggravated for 1 month. 3 years ago, after drinking alcohol, he developed palpitations, chest tightness and discomfort in the precordial region, the symptoms lasted for 3 hours, he went to Yuan Shi County Hospital and was diagnosed with paroxysmal supraventricular tachycardia by electrocardiogram. Laboratory tests, electrocardiogram: paroxysmal supraventricular tachycardia The treatment with cardioplegia and cortisone was not effective. Hu Xitian, Department of Cardiology, Shijiazhuang First Hospital: Supraventricular tachycardia is a kind of arrhythmia that can be cured, the surgery is simple and takes about 1-2 hours, the success rate of the surgery is more than 95%, the recurrence rate is 3-4%, and the cost is about 25,000 yuan. Now you are poorly treated with oral cardioplegia and cortisone, which are indications for radiofrequency ablation.