| 释义 |
DictionarySeeleft bundle branch blockLBBB
LBBB Left bundle-branch blockbundle branch block, BBBA defect in the electrical conduction system of the heart in which there is failure of conduction down one of the main branches of the bundle of His. On the surface electrocardiogram, the QRS complex is > 0.12 sec. and its shape is altered. Synonym: bundle branch heart block; interventricularheart blockleft bundle branch block Abbreviation: LBBB
A defect in the conduction system of the heart in which electrical conduction down the left bundle branch is delayed. On the 12-lead EKG, it gives the QRS complex a widened QS complex in lead V1 (0.12 sec.). right bundle branch block Abbreviation: RBBB
A defect in the conductive system of the heart in which electrical conduction down the right bundle branch is delayed. On the 12-lead EKG, it gives the widened QRS complex an RSR appearance in leads V1 and V2.
left bundle branch block Abbreviation: LBBB
A defect in the conduction system of the heart in which electrical conduction down the left bundle branch is delayed. On the 12-lead EKG, it gives the QRS complex a widened QS complex in lead V1 (0.12 sec.). See also: bundle branch blockLBBB
| Acronym | Definition |
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| LBBB➣Left Bundle Branch Block | | LBBB➣Left Bundle Branch Block Pattern (cardiology) | | LBBB➣Let Bygones Be Bygones |
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