Cardioplegia, also known as propafenone, belongs to class 1C antiarrhythmic drugs and is a broad-spectrum antiarrhythmic drug. At present, it is widely used in the clinic, the price is about 4-10 dollars, relatively very cheap antiarrhythmic drugs, in the clinic, it is mainly used for the treatment of paroxysmal ventricular tachycardia, as well as supraventricular tachycardia. It can also be used to treat atrial flutter or atrial fibrillation, and to improve various types of premature beats. The price of this drug, different hospitals, different pharmacies, different regions, relatively speaking, there may be some differences, but overall, the general price is relatively low, it has a 100 tablets a bottle, there are 50 tablets a bottle, depending on the number of grains, the price will be different.