Hypertrophic cardiomyopathy: practical steps for preventing sudden death

Area of Science:

• Cardiology
• Sports Medicine
• Genetics

Background:

• Hypertrophic cardiomyopathy (HCM) is a rare cause of sudden cardiac death in young athletes.
• Distinguishing HCM from physiological cardiac hypertrophy (athlete's heart) presents a diagnostic challenge.
• HCM deaths in young, seemingly healthy individuals garner significant attention.

Purpose of the Study:

• To review the diagnostic approaches for differentiating hypertrophic cardiomyopathy (HCM) from athlete's heart.
• To highlight key clinical and genetic factors in the differential diagnosis of HCM.
• To provide recommendations for athletic participation in individuals diagnosed with HCM.

Main Methods:

• Review of clinical presentation, family history, and physical examination findings in HCM.
• Electrocardiography (ECG) and echocardiography as primary diagnostic tools.
• Discussion of genetic testing and its current role in HCM diagnosis.

Main Results:

• Differential diagnosis relies on identifying heterogeneous left ventricle hypertrophy, left atrial enlargement, and specific ECG patterns.
• Family history and gene mutations are crucial indicators for HCM.
• Molecular detection methods are not yet standard clinical practice.

Conclusions:

• Accurate differentiation between HCM and athlete's heart is critical for preventing sudden cardiac death.
• A combination of clinical, imaging, and genetic assessments aids in diagnosis.
• Athletes with confirmed HCM should avoid high-intensity competitive sports.