Which one has fewer side effects, Mercilys cardioplegia?

The drug name for Cardioplegia is Propafenone Hydrochloride Tablets, which has fewer side effects compared to Mesylate.
The common adverse effects of Mesylate include palpitations, increased ventricular arrhythmias, dizziness, tremor, difficulty in coordination, nervousness, altered sleep absorption, abnormal sensation/numbness, weakness, fatigue, tinnitus, upper gastrointestinal discomfort, nausea and vomiting, blurred vision, rash, chest pain, headache, and dyspnea, and serious adverse effects include cardiogenic shock, hypersensitivity reactions, and pancreatitis.
Propafenone hydrochloride tablets adverse reactions are relatively few, common is dry mouth, numbness of the lips and tongue, headache and dizziness, nausea and vomiting, constipation, etc., but also with the possibility of atrioventricular block symptoms, etc., the general adverse reactions are relatively mild, reduce the dosage of the drug or stopping the drug after the symptom will disappear on its own.
It is recommended that patients go to a regular hospital in time to see a doctor if they feel unwell, and follow the doctor’s instructions for symptomatic treatment.