Indication: It is used for heart failure, myocarditis, sick sinus syndrome, coronary heart disease and cardiomyopathy. It can also be used as an auxiliary treatment for arrhythmia.

Indication: It is used for heart failure, myocarditis, sick sinus syndrome, coronary heart disease and cardiomyopathy. It can also be used as an auxiliary treatment for arrhythmia.

Indication: It is used for heart failure, myocarditis, sick sinus syndrome, coronary heart disease and cardiomyopathy. It can also be used as an auxiliary treatment for arrhythmia.

Indication: It is used for heart failure, myocarditis, sick sinus syndrome, coronary heart disease and cardiomyopathy. It can also be used as an auxiliary treatment for arrhythmia.

Indication: It is used for heart failure, myocarditis, sick sinus syndrome, coronary heart disease and cardiomyopathy. It can also be used as an auxiliary treatment for arrhythmia.

Indication: 1 Hypertension (alone or in combination with other antihypertensive drugs). 2 Exertional angina pectoris. 3 Control supraventricular tachyarrhythmias and ventricular arrhythmias, especially those related to catecholamines or caused by digitalis. It can be used to control the ventricular rate of atrial flutter and atrial fibrillation that are not well treated with digitalis, and can also be used for refractory premature contractions to improve patients' symptoms. 4 Reduce the outflow tract pressure difference in hypertrophic cardiomyopathy, relieve symptoms such as angina pectoris, palpitations and syncope. 5 Used in combination with alpha-receptor blockers to control tachycardia in patients with pheochromocytoma. 6 Used to control the rapid heart rate of hyperthyroidism, and can also be used to treat thyroid

Indication: 1 Hypertension (alone or in combination with other antihypertensive drugs). 2 Exertional angina pectoris. 3 Control supraventricular tachyarrhythmias and ventricular arrhythmias, especially those related to catecholamines or caused by digitalis. It can be used to control the ventricular rate of atrial flutter and atrial fibrillation that are not well treated with digitalis, and can also be used for refractory premature contractions to improve patients' symptoms. 4 Reduce the outflow tract pressure difference in hypertrophic cardiomyopathy, relieve symptoms such as angina pectoris, palpitations and syncope. 5 Used in combination with alpha-receptor blockers to control tachycardia in patients with pheochromocytoma. 6 Used to control the rapid heart rate of hyperthyroidism, and can also be used to treat thyroid

Indication: 1 Hypertension (alone or in combination with other antihypertensive drugs). 2 Exertional angina pectoris. 3 Control supraventricular tachyarrhythmias and ventricular arrhythmias, especially those related to catecholamines or caused by digitalis. It can be used to control the ventricular rate of atrial flutter and atrial fibrillation that are not well treated with digitalis, and can also be used for refractory premature contractions to improve patients' symptoms. 4 Reduce the outflow tract pressure difference in hypertrophic cardiomyopathy, relieve symptoms such as angina pectoris, palpitations and syncope. 5 Used in combination with alpha-receptor blockers to control tachycardia in patients with pheochromocytoma. 6 Used to control the rapid heart rate of hyperthyroidism, and can also be used to treat thyroid