Key result
Cardiac magnetic resonance imaging successfully identified left-dominant arrhythmogenic cardiomyopathy in a middle-aged athlete presenting with palpitations and low QRS voltage, despite a normal echocardiogram.
Case Report (n=1)
Highlights the critical role of cardiac magnetic resonance in diagnosing left-dominant arrhythmogenic cardiomyopathy in a middle-aged athlete.
Case report supports considering CMR in symptomatic athletes; leaves open need for validation in left-dominant arrhythmogenic cardiomyopathy.
The estimated prevalence of arrhythmogenic right ventricular cardiomyopathy (ARVC) ranges from 1:2000 to 1:5000 in the general population, with a more common presentation between the second and fourth decade of life. Only 20% are diagnosed after age 50, although later diagnosis does not confer a benign prognosis. At birth, these patients have a structurally normal heart, progressively developing the pathologic phenotype. In the early stages of the disease, nonspecific symptoms such as palpitations, chest pain, and syncope may appear, with no apparent structural changes.
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Guía-Galipienso et al. (2021) conducted a case report in Left-dominant arrhythmogenic cardiomyopathy (n=1). Cardiac magnetic resonance (CMR) imaging vs. Echocardiography was evaluated on Diagnosis of left-dominant arrhythmogenic cardiomyopathy. Cardiac magnetic resonance imaging successfully identified left-dominant arrhythmogenic cardiomyopathy in a middle-aged athlete presenting with palpitations and low QRS voltage, despite a normal echocardiogram.
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