Tachycardia, Sinoatrial Nodal Reentry

Abnormally rapid heartbeats caused by reentry circuit in or around the SINOATRIAL NODE. It is characterized by sudden onset and offset episodes of tachycardia with a HEART RATE of 100-150 beats per minute. The P wave is identical to the sinus P wave but with a longer PR interval.

Year introduced: 1991(1987)

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Tree Number(s): C14.280.067.845.787.500, C14.280.123.875.787.500, C23.550.073.845.787.750

MeSH Unique ID: D013615

Entry Terms:

• Sinoatrial Nodal Reentry Tachycardia
• Sinus Node Reentrant Tachycardia
• Tachycardia, SA Nodal Reentrant

Previous Indexing:

• Sinoatrial Node (1978-1986)
• Tachycardia (1966-1986)

All MeSH Categories
Diseases Category
Cardiovascular Diseases
Heart Diseases
Arrhythmias, Cardiac
Tachycardia
Tachycardia, Reciprocating
Tachycardia, Sinoatrial Nodal Reentry

All MeSH Categories
Diseases Category
Cardiovascular Diseases
Heart Diseases
Cardiac Conduction System Disease
Tachycardia
Tachycardia, Reciprocating
Tachycardia, Sinoatrial Nodal Reentry

All MeSH Categories
Diseases Category
Pathological Conditions, Signs and Symptoms
Pathologic Processes
Arrhythmias, Cardiac
Tachycardia
Tachycardia, Reciprocating
Tachycardia, Sinoatrial Nodal Reentry