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[Supernumerary chorda of the left ventricle]
Insights
Accessory chorda in the left cardiac ventricle (ACLV) affects 11% of individuals and is linked to cardiac arrhythmias and fibrillation risk, especially during myocardial infarction.
Area of Science:
- Cardiology
- Cardiac Electrophysiology
- Medical Genetics
Context:
- Accessory chorda in the left cardiac ventricle (ACLV) is a cardiac anomaly.
- Prevalence and clinical significance require further elucidation.
- Association with arrhythmias and ventricular fibrillation needs detailed study.
Purpose:
- To investigate the prevalence of ACLV.
- To explore the clinical manifestations and associations of ACLV.
- To define the syndrome associated with ACLV.
Summary:
- Echocardiography identified ACLV in 11% of 1680 individuals.
- ACLV is associated with cardiac arrhythmias of unclear origin and ventricular fibrillation in myocardial infarction.
- The ACLV syndrome includes cardialgia, systolic murmur, early ventricular repolarization, cardiac fibrillation paroxysms, and predisposition to ventricular fibrillation.
Impact:
- Highlights ACLV as a potential risk factor for cardiac events.
- Contributes to understanding the pathophysiology of certain cardiac arrhythmias.
- Informs clinical assessment and risk stratification in patients with ACLV.
Abstract:
Echocardiographic examination revealed in 184 (11%) of the 1680 persons an accessory chorda in the left cardiac ventricle (ACLV). It was found ACLV was often associated with paroxysms of cardiac of unclear etiology and ventricular fibrillation in myocardial infarction. The clinico-, phono-, electrocardiographic symptomatology and inheritability of ACLV are discussed. As defined by the authors the syndrome in ACLV includes: 1) cardialgia, 2) systolic murmur, 3) electrocardiographic syndrome of early ventricular repolarization, 4) paroxysms of cardiac fibrillation, 5) Predisposition to ventricular fibrillation in myocardial infarction.