Rapid heartbeat accompanied by panic and chest tightness. The first consideration is coronary heart disease and heart failure. Do electrocardiogram, cardiac ultrasound and other related auxiliary examinations to clarify the diagnosis, heart failure, the application of cardiac diuretic vasodilator drug treatment, can be used to treat heart failure with new drugs for heart failure, new vital anti-heart failure treatment. If atrial fibrillation is present, digitalis drugs can be used to control the ventricular rate. During the period of diuretics, pay attention to monitor electrolyte changes, low potassium can easily cause malignant arrhythmia, which is life-threatening. Low magnesium can cause tip-twisting ventricular tachycardia. After the situation is stable, metoprolol can be applied to control the heart rate and reduce the myocardial oxygen consumption. Usually pay attention to rest, control diet, avoid overeating, low salt, low fat diet, avoid emotional excitement.