Explore the causes and symptoms of cardiomyopathies in this comprehensive 21-minute cardiology lecture. Learn about the classification of cardiomyopathies, including dilated, hypertrophic, and restrictive types. Delve into the specifics of each category, understanding their unique characteristics and impact on heart function. Gain valuable insights into the diseases of the myocardium, with a focus on diastolic dysfunction in restrictive cardiomyopathy. Conclude with a summary that reinforces key concepts, providing a solid foundation for understanding these complex cardiac conditions.