Left bundle branch block (Q42371)
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Disorder of the atrioventricular conduction system in which the QRS duration is greater than or equal to 120 ms in adults, greater than 100 ms in children 4 to 16 years of age, and greater than 90 ms in children less than 4 years of age; there is a QS or rS pattern in lead V1 and a wide slurred R wave in leads I and V6.
| Language | Label | Description | Also known as |
|---|---|---|---|
| default for all languages | BC63.4 |
||
| English | Left bundle branch block |
Disorder of the atrioventricular conduction system in which the QRS duration is greater than or equal to 120 ms in adults, greater than 100 ms in children 4 to 16 years of age, and greater than 90 ms in children less than 4 years of age; there is a QS or rS pattern in lead V1 and a wide slurred R wave in leads I and V6. |
Statements
CID11:BC63.4
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dki-india-BC63.4
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Concluído
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13 August 2026
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