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Adult Nurse Practitioner Exam Prep

Category - AANPCP Adult Nurse Practioner Practice Test

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Which of the following problems is most likely associated with the left bundle branch block (LBBB)?

Congenital heart disease
Severe aortic valve disease
Atrial Septal Defect (ASD)
VSD

Explanation

Answer - B - LBBB is a marker of one of four conditions: severe aortic valve disease, ischemic heart disease, long-standing hypertension, and cardiomyopathy. On the other hand, RBBB (right bundle branch block is usually caused by congenital heart disease (i.e. Atrial septal defect), MI, myocarditis, scar formation in the heart due to heart surgery, and pulmonary embolism.

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