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Heart Block MeSH Descriptor Data 2022


MeSH Heading
Heart Block
Tree Number(s)
C14.280.067.558
C14.280.123.500
C23.550.073.425
Unique ID
D006327
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D006327
Scope Note
Impaired conduction of cardiac impulse that can occur anywhere along the conduction pathway, such as between the SINOATRIAL NODE and the right atrium (SA block) or between atria and ventricles (AV block). Heart blocks can be classified by the duration, frequency, or completeness of conduction block. Reversibility depends on the degree of structural or functional defects.
Entry Term(s)
A-V Dissociation
Atrioventricular Dissociation
Auriculo-Ventricular Dissociation
NLM Classification #
WG 330.5.H4
Date Established
1966/01/01
Date of Entry
1999/01/01
Revision Date
2017/06/20
Heart Block Preferred
Auriculo-Ventricular Dissociation Narrower
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