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Updated: Jul 31, 2025
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Published on: April 11, 2025
763
Electrocardiogram in arrhytmogenic cardiomyopathy.
Leonardo Calò1, Giada Oliviero1, Cinzia Crescenzi1
1Division of Cardiology, Policlinico Casilino, Via Casilina 1049, 00169 Rome, Italy.
Summary
Arrhythmogenic cardiomyopathy (ACM) is a heart muscle disease characterized by fibrofatty replacement, leading to impaired function and arrhythmias. Electrocardiogram (ECG) findings aid in early detection and risk stratification for sudden cardiac death.
Area of Science:
- Cardiology
- Genetics
- Pathology
Background:
- The diagnostic criteria for arrhythmogenic cardiomyopathy (ACM) have evolved since 1994, with the latest revision in 2020.
- ACM is a primary heart muscle disease involving fibrofatty myocardial replacement, affecting ventricular function and leading to arrhythmias.
Purpose of the Study:
- To summarize the current understanding of arrhythmogenic cardiomyopathy (ACM) based on the 2020 international task force consensus.
- To highlight the role of electrocardiogram (ECG) in the early diagnosis and risk assessment of ACM patients.
Main Methods:
- Review of the 2020 international task force consensus report on arrhythmogenic cardiomyopathy.
- Analysis of diagnostic criteria, pathological features, and clinical implications of ACM.
Main Results:
- The 2020 criteria define ACM as a disease of fibrofatty myocardial replacement affecting one or both ventricles.
- ACM impairs systolic function and increases the risk of lethal ventricular arrhythmias and sudden cardiac death.
- ECG findings are crucial for early patient recognition and identifying individuals at highest risk.
Conclusions:
- The 2020 consensus provides updated diagnostic criteria for arrhythmogenic cardiomyopathy.
- Electrocardiogram (ECG) plays a vital role in identifying ACM and predicting the risk of sudden cardiac death.
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