Which term is commonly associated with a condition including a conduction defect observable on EKG?

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Multiple Choice

Which term is commonly associated with a condition including a conduction defect observable on EKG?

Explanation:
A conduction defect observable on EKG is most commonly described as a bundle branch block. This occurs when the electrical impulse is delayed or blocked in one of the heart’s bundle branches, so the ventricles are activated asynchronously. On the ECG, this shows up as a widened QRS complex (greater than 120 ms) with patterns that differ for right versus left bundle branch block. That is why the term aligning with a conduction defect seen on the EKG is bundle branch block (BBB). The other options refer to broader cardiac conditions—CAD, aortic dissection, and cardiomyopathy—that can affect the heart in various ways but do not denote the specific conduction-block phenomenon seen on the surface ECG.

A conduction defect observable on EKG is most commonly described as a bundle branch block. This occurs when the electrical impulse is delayed or blocked in one of the heart’s bundle branches, so the ventricles are activated asynchronously. On the ECG, this shows up as a widened QRS complex (greater than 120 ms) with patterns that differ for right versus left bundle branch block. That is why the term aligning with a conduction defect seen on the EKG is bundle branch block (BBB). The other options refer to broader cardiac conditions—CAD, aortic dissection, and cardiomyopathy—that can affect the heart in various ways but do not denote the specific conduction-block phenomenon seen on the surface ECG.

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