What alteration in the QRS complex occurs in bundle branch block?
Understand the Problem
The question is asking about the changes in the QRS complex that occur specifically in the case of bundle branch block, which is a condition related to heart function and electrical conduction.
Answer
The QRS complexes become widened in bundle branch block.
In bundle branch block, the QRS complexes become widened due to slow conduction through one of the ventricles.
Answer for screen readers
In bundle branch block, the QRS complexes become widened due to slow conduction through one of the ventricles.
More Information
In bundle branch block, electrical impulses cannot use the normal conduction pathways, leading to a change in the shape and duration of the QRS complex as the impulse has to take an alternative route.
Tips
A common mistake is failing to recognize the widened QRS complex as a specific sign of bundle branch block, which can lead to misinterpretation of the ECG.
Sources
- Bundle Branch Blocks and Fascicular Blocks - ScienceDirect - sciencedirect.com
- Right Bundle Branch Block - StatPearls - NCBI Bookshelf - ncbi.nlm.nih.gov
- Bundle Branch Block - an overview | ScienceDirect Topics - sciencedirect.com
AI-generated content may contain errors. Please verify critical information
