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Conditions Encyclopedia Entry 1780073646

** Hypertrophic Cardiomyopathy (HCM) is a genetic heart condition characterized by the thickening of the heart muscle, which can lead to obstruction of blood flow and potentially life-threatening complications. **CONTENT:** ### Overview Hypertrophic Cardiomyopathy (HCM) is a complex and potentially life-threatening heart condition affecting approximately 1 in 500 people worldwide. It is the most common cause of sudden cardiac death in young athletes and is often inherited in an autosomal dominant pattern. HCM is characterized by the thickening of the heart muscle, particularly in the left ventricle, which can lead to obstruction of blood flow and potentially life-threatening complications. In HCM, the heart muscle becomes abnormally thick, which can cause the heart to work harder to pump blood. This can lead to a range of symptoms, including chest pain, shortness of breath, and fainting. In severe cases, HCM can lead to heart failure, arrhythmias, and even sudden cardiac death. ### History/Background The first reported cases of HCM date back to the 19th century, but it wasn't until the 1960s that the condition was formally described as a distinct entity. Since then, significant advances have been made in understanding the genetic and molecular mechanisms underlying HCM. In 1990, the first genetic mutation associated with HCM was identified, and since then, numerous other mutations have been linked to the condition. ### Key Information HCM is a genetic condition, meaning it is inherited from one's parents. The condition is caused by mutations in genes that code for proteins involved in the structure and function of the heart muscle. The most common genes associated with HCM are MYBPC3, MYH7, and TNNT2. Symptoms of HCM can vary widely, but common signs include: * Chest pain or discomfort * Shortness of breath * Fainting or near-fainting * Palpitations or irregular heartbeats * Fatigue or weakness In severe cases, HCM can lead to life-threatening complications, including: * Heart failure * Arrhythmias * Sudden cardiac death ### Significance HCM is a significant public health concern, particularly among young athletes and individuals with a family history of the condition. Early detection and treatment can significantly improve outcomes and prevent life-threatening complications. **INFOBOX:** - **Name:** Hypertrophic Cardiomyopathy - **Type:** Genetic heart condition - **Date:** First reported cases in the 19th century, formally described in the 1960s - **Location:** Worldwide - **Known For:** Most common cause of sudden cardiac death in young athletes **TAGS:** Hypertrophic Cardiomyopathy, genetic heart condition, sudden cardiac death, heart failure, arrhythmias, cardiomyopathy, heart muscle thickening, genetic mutation, MYBPC3, MYH7, TNNT2. **Seeking Professional Care:** If you or a family member is experiencing symptoms of HCM, it is essential to seek medical attention immediately. A diagnosis of HCM can only be made by a qualified healthcare professional, typically a cardiologist or geneticist. Treatment options may include medications, lifestyle modifications, and in some cases, surgical interventions. Early detection and treatment can significantly improve outcomes and prevent life-threatening complications.