Simple rapid heartbeats caused by rapid discharge of impulses from the SINOATRIAL NODE, usually between 100 and 180 beats/min in adults. It is characterized by a gradual onset and termination. Sinus tachycardia is common in infants, young children, and adults during strenuous physical activities.
Entry Term(s)
Sinus Tachycardia
Previous Indexing
Sinoatrial Node (1978-1986)
Tachycardia (1966-1986)
Public MeSH Note
91; was see under TACHYCARDIA, SUPRAVENTRICULAR 1987-90
History Note
91(87); was see under TACHYCARDIA, SUPRAVENTRICULAR 1987-90
Simple rapid heartbeats caused by rapid discharge of impulses from the SINOATRIAL NODE, usually between 100 and 180 beats/min in adults. It is characterized by a gradual onset and termination. Sinus tachycardia is common in infants, young children, and adults during strenuous physical activities.