Supraventricular tachycardia is a type of arrhythmia, which is a type of heart disease. It may refer either to paroxysmal supraventricular tachycardia alone or to a class of disorders such as sinus tachycardia and atrial tachycardia. Paroxysmal supraventricular tachycardia, sinus tachycardia, and atrial tachycardia are common types of arrhythmia that can be secondary to heart valve disease, coronary artery disease, hypertensive heart disease, and myocarditis. Occasional supraventricular tachycardia may be caused by stress, anxiety, or alcohol consumption, and usually resolves on its own after the triggers are removed. Mild cases may be asymptomatic, or may be manifested as paroxysmal palpitations, chest tightness, panic, chest tightness, blood pressure drop in addition to the persistent development of symptoms can cause angina pectoris, syncope and other symptoms. Clinical intervention can be made with drugs such as amiodarone and propafenone. In the presence of hypotension and other indications, electric cardioversion, radiofrequency ablation and other therapeutic means can also be used. The presence of supraventricular tachycardia is recommended to go to the hospital in time.