Atrioventricular block
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Atrioventricular block Classification and external resources |
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ICD-10 | I44.0-I44.3 |
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ICD-9 | 426.0-426.1 |
eMedicine | med/189 |
MeSH | D006327 |
An atrioventricular block (or AV block) is a type of heart block involving impairment of the conduction between the atria and ventricles of the heart.[1] It usually involves the atrioventricular node, but it can involve other structures.
There are three types: