Phase 4 block of the right bundle branch suggesting His-Purkinje system involvement in Lyme carditis Author:Maxwell, N, Dryer, MM, Baranchuk, A, and Vinocur, JMPublication type: Journal ArticlePublication date: 2020-12Journal/Series title: HeartRhythm Case RepVolume: 7Issue: 2URL: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7897763/