Apical hypertrophic cardiomyopathy presenting as acute coronary syndrome

Amr Abdin1, Ingo Eitel1, Suzanne de Waha1

  • 1Department of Cardiology, Angiology and Intensive Care Medicine, University Heart Center Lübeck, University Hospital Schleswig-Holstein, Lübeck, Germany.

Insights

Apical hypertrophic cardiomyopathy is a rare heart condition causing thickened heart muscle in the apex. It can mimic heart attacks, presenting symptoms like chest pain and ECG changes.

Area of Science:

  • Cardiology
  • Cardiovascular Diseases
  • Genetics

Background:

  • Apical hypertrophic cardiomyopathy (AHC) is a distinct subtype of hypertrophic cardiomyopathy (HCM).
  • It is defined by localized thickening of the left ventricular apex.
  • AHC presents unique diagnostic challenges compared to other forms of HCM.

Observation:

  • This condition is characterized by specific electrocardiographic (ECG) and cardiac imaging findings.
  • ECG patterns and echocardiographic or MRI data are crucial for diagnosis.
  • The apical segments of the left ventricle show marked hypertrophy.

Findings:

  • Clinical presentations of AHC are diverse, ranging from asymptomatic cases to severe outcomes like sudden cardiac death.
  • Chest pain is the most common symptom reported by patients.
  • AHC can closely resemble acute coronary syndrome due to shared symptoms and repolarization abnormalities.

Implications:

  • Accurate diagnosis of AHC is vital to differentiate it from other cardiac conditions, particularly acute coronary syndrome.
  • Understanding AHC's varied clinical course is essential for appropriate patient management and risk stratification.
  • Further research into AHC pathophysiology and long-term outcomes is warranted.

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