Introduction -- Lyme disease epidemiology: Update 2022 -- Etiopathogenesis of Lyme disease -- Classification of Lyme disease stages -- Physiopathology of early disseminated Lyme carditis -- Clinical manifestations of early disseminated Lyme carditis -- The "SILC" score: Differential diagnosis of unexpected AV block -- Diagnosis and management of Lyme carditis -- Temporary-permanent pacing in Lyme carditis -- Management of Lyme myocarditis -- Lyme carditis in the pediatric population -- Early disseminated Lyme carditis Long-Term Follow-up -- Considerations for permanent pacemaker extraction in resolved Lyme carditis -- Modelling late dissemination Lyme carditis -- Into the future: Strategies for the next 5-10 years.