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.
Abstract:
Hypertrophic cardiomyopathy (HCM) is one of the most common inherited primary cardiac disorders and the most common cause of sudden cardiac death in young athletes. With advances in technology, it is now recognized that HCM affects individuals of all ages. Many patients with HCM will have a benign course with few symptoms. Some patients, however, possess risk factors that greatly increase the likelihood of sudden death if their disease remains undiagnosed. Therefore, it is imperative that emergency physicians be familiar with the symptoms and typical electrocardiogram manifestations of HCM. Three illustrative cases are presented with a review of the disease.
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