Hypertrophic cardiomyopathy: electrocardiographic manifestations and other important considerations for the emergency

Brian S Kelly1, Amal Mattu, William J Brady

  • 1Department of Emergency Medicine, Mount Carmel Health System, Columbus, OH 43123, USA.

Insights

Hypertrophic cardiomyopathy (HCM) is a common inherited heart condition, often causing sudden death in young athletes. Early diagnosis and physician awareness of HCM symptoms are crucial for preventing fatalities.

Area of Science:

  • Cardiology
  • Genetics
  • Sports Medicine

Background:

  • Hypertrophic cardiomyopathy (HCM) is a prevalent inherited cardiac disorder.
  • It is a leading cause of sudden cardiac death (SCD) in young athletes.
  • HCM affects individuals across all age groups.

Observation:

  • Many HCM patients experience a benign clinical course with minimal symptoms.
  • Certain risk factors significantly elevate the likelihood of SCD in undiagnosed cases.
  • Electrocardiogram (ECG) findings are key diagnostic indicators.

Findings:

  • This review highlights the importance of recognizing HCM symptoms and ECG patterns.
  • Three illustrative cases demonstrate the varied presentations of HCM.
  • Familiarity with HCM is essential for emergency physicians.

Implications:

  • Prompt identification and management of HCM can mitigate SCD risk.
  • Increased physician awareness improves patient outcomes for this common inherited condition.
  • Timely diagnosis is critical, especially in at-risk populations like athletes.

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