What is the role of lab testing in the workup of pediatric right bundle branch block?

Updated: Jul 26, 2018
  • Author: Glenn T Wetzel, MD, PhD; Chief Editor: Syamasundar Rao Patnana, MD  more...
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If myocarditis or cardiomyopathy seem to be reflected in the right bundle branch block (RBBB) pattern, consider troponin, creatine kinase (CK), erythrocyte sedimentation rate (ESR), and other laboratory tests for cardiomyopathy (eg, carnitine determination).

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