[…] single copy of the defective gene in each cell of an individual is sufficient to cause the condition Familial Hypertrophic Cardiomyopathy can be asymptomatic, or present with symptoms such as chest pain, shortness of breath while lying down or sleeping, fatigue [dovemed.com]

Affected individuals may also experience excessive sweating, fatigue, wheezing, and paleness of the skin (pallor). [rarediseases.org]

It can cause structural heart abnormalities that lead to arrhythmias, palpitations, shortness of breath and fatigue. [livestrong.com]

It can result in symptoms such as: general weakness and fatigue shortness of breath, particularly during exertion or exercise lightheadedness and dizziness chest pain heart palpitations fainting attacks high blood pressure edema, or swelling, of your [healthline.com]

Symptoms of HCM can occur at any age and may include: Chest pain or pressure (occurs usually with exercise or physical activity, but can also occur with rest or after meals) Shortness of breath (dyspnea), especially with exertion Fatigue (feeling overly [webmd.com]

Puberty 148 XLMRHypotonic Facies Syndrome 27 Pseudohypoparathyroidism 149 [books.google.de]

The treatment options for Hypertrophic Obstructive Cardiomyopathy may include the following: Lifestyle changes: Adhering to a healthy diet that includes fresh fruits, vegetables, whole grains, fish and dairy products Engaging in routine physical activity [dovemed.com]