Betalock generic name for metoprolol tartrate; cardioplegia generic name for propafenone hydrochloride; arrhythmia can take metoprolol tartrate, propafenone hydrochloride, ginseng pine heart capsule, and the last three drugs have different indications for the treatment of different types of arrhythmia, need to be combined with the type of arrhythmia and contraindications to the use of drugs. 1. Metoprolol tartrate: used in the treatment of tachyarrhythmia, such as sinus tachycardia, premature ventricular contractions, rapid ventricular arrhythmia, etc.; contraindicated for pathological sinus node syndrome, Ⅱ, Ⅲ degrees of atrioventricular block, bradycardia, heart rate & lt; 45 times / min, P-Q interval & gt; 0.24 seconds and other cardiac arrhythmias. 2. Propafenone hydrochloride: used for the treatment of paroxysmal ventricular tachycardia and supraventricular tachycardia, including those with preexcitation syndrome; can not be used in patients with sinus node dysfunction, severe atrioventricular block, and bifascicular conduction block without pacemaker protection. 3. Sensatsu cardiac capsule: it has the effect of benefiting qi and nourishing the heart, activating blood circulation, used in the treatment of coronary heart disease ventricular premature beats, palpitations (rapid heartbeat, often accompanied by panic) restlessness, etc., which is a proprietary Chinese medicine, the specific mechanism of the treatment of cardiac arrhythmia is not clear, the use of caution should be used in the Chinese medicine practitioner under the guidance of the doctor to identify the use of doctor’s orders; the use of the drug components are prohibited to those who are allergic to the use of the drug. Arrhythmia should be clear before the treatment of the type of arrhythmia, it is recommended that patients go to the regular hospital in a timely manner, after a clear diagnosis under the guidance of a physician to choose the appropriate drug treatment, not blindly use their own medication.