Arrhythmia refers to cardiac arrhythmia. Pathologic conditions can be treated with anti-arrhythmic drugs, such as metoprolol and other medications, and physiologic conditions that are caused by cardiac arrhythmia usually require no treatment. Arrhythmia refers to the abnormality of the frequency or rhythm of the heart beat, with the progress of the disease will appear palpitations, weakness, dizziness, blackout and other symptoms, arrhythmia can be treated with drugs, such as metoprolol, amiodarone, verapamil, lidocaine and other drugs. Diet should pay attention to low salt and low fat, eat more fresh fruits and vegetables. Physiological arrhythmia may also be caused by nervousness, excitement, stress, irritability, etc. Generally, no treatment is needed, and it can recover on its own by calming down the emotions. Arrhythmias can also be treated with surgery, catheter ablation or surgical procedures. Regular monitoring of the disease is required on a daily basis, and for people with comorbid underlying diseases, treatment should be carried out as early as possible and regular review should be carried out. Please follow your doctor’s instructions for medication.