Electrocardiographic progression of acute Lyme disease.

Lyme carditis poses a challenge to physicians given dramatic clinical presentations like the one presented in this case. Quite frequently, these young patients are implanted with permanent pacemakers; given lack of knowledge on the transient nature of the cardiac conduction system inflammation. This is the first case in the literature that has captured the electrocardiographic evolution of Lyme carditis, day by day until complete resolution.