NLM Logo

Tachycardia, Ectopic Atrial MeSH Descriptor Data 2023


MeSH Heading
Tachycardia, Ectopic Atrial
Tree Number(s)
C14.280.067.845.880.315
C14.280.123.875.880.315
C23.550.073.845.880.315
Unique ID
D013612
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D013612
Scope Note
Abnormally rapid heartbeats originating from one or more automatic foci (nonsinus pacemakers) in the HEART ATRIUM but away from the SINOATRIAL NODE. Unlike the reentry mechanism, automatic tachycardia speeds up and slows down gradually. The episode is characterized by a HEART RATE between 135 to less than 200 beats per minute and lasting 30 seconds or longer.
Entry Term(s)
Atrial Ectopic Tachycardia
Ectopic Atrial Tachycardia
Previous Indexing
Heart Atrium (1966-1986)
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
Date Established
1991/01/01
Date of Entry
1986/06/23
Revision Date
2017/06/20
Tachycardia, Ectopic Atrial Preferred
page delivered in 0.15s