A Case Series of Lyme Carditis with Complete Heart Block

An Unusual Case of Lyme Carditis With Persistent Third-Degree Heart Block

“…6 Gender predominance is varied among reported cases, with some reporting third-degree heart blocks more common in males and others in females with the commonly affected age group of 10 to 45 years. 1,4 Neuroborreliosis is another manifestation of disseminated Lyme disease. Patients may present with ataxia, paraparesis, sphincter dysfunction, Parkinson-like symptoms, confusion, and cognitive impairment.…”

“…Pathogenesis involves direct invasion by spirochetes and an associated inflammatory response. 4 Cardiac manifestations are most commonly due to the involvement of the conduction pathways (occurring at any level), with others being myocarditis, left ventricular failure, and pericarditis. Four to ten percent of patients develop some form of carditis and about 1% progresses to second- or third-degree heart blocks.…”

“… 5 The literature review reports very few cases of Lyme’s carditis requiring a permanent pacemaker, with over 90% recovering completely. 1 , 4 Case series report all patients with Lyme’s carditis improving and none requiring permanent pacemaker for high-degree AV block. 6 Gender predominance is varied among reported cases, with some reporting third-degree heart blocks more common in males and others in females with the commonly affected age group of 10 to 45 years.…”

“… 6 Gender predominance is varied among reported cases, with some reporting third-degree heart blocks more common in males and others in females with the commonly affected age group of 10 to 45 years. 1 , 4 …”