Chronic autonomic atrial tachycardia

Chronic autonomic atrial tachycardia, also known as chronic atrial tachycardia, persistent atrial tachycardia, or endless atrial tachycardia, is a special type of tachycardia. According to the presence of this type of tachycardia with or without intermittent sinus beats, it can be divided into two subtypes: ① chronic persistent (long-term) atrial tachycardia, and ② chronic repetitive atrial tachycardia. The cause of this disease is not clear. Primary chronic autonomic atrial tachycardia is more common in infants and young children and is usually caused by congenital, genetic or anatomical factors; patients with secondary chronic autonomic atrial tachycardia often have a clear cause of endless tachycardia Causes of overspeed.