Heart Disease and Restrictive Cardiomyopathy
- What is restrictive cardiomyopathy?
- What are the symptoms of restrictive cardiomyopathy?
- What causes restrictive cardiomyopathy?
- How is restrictive cardiomyopathy diagnosed?
- What is the treatment for restrictive cardiomyopathy?
- What lifestyle changes are recommended for restrictive cardiomyopathy?
- What medications are used for restrictive cardiomyopathy?
- Can surgery treat restrictive cardiomyopathy?
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Cardiomyopathy - on eMedicineHealth
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What Is Restrictive Cardiomyopathy?
Restrictive cardiomyopathy, the rarest form of cardiomyopathy, is a condition in which the walls of the lower chambers of the heart (the ventricles) are abnormally rigid and lack the flexibility to expand as the ventricles fill with blood.
The pumping or systolic function of the ventricle may be normal but the diastolic function (the ability of the heart to fill with blood) is abnormal. Therefore, it is harder for the ventricles to fill with blood, and with time, the heart loses the ability to pump blood properly, leading to heart failure.
What Are the Symptoms of Restrictive Cardiomyopathy?
Many people with restrictive cardiomyopathy have no symptoms or only minor symptoms, and live a normal life. Other people develop symptoms, which progress and worsen as heart function worsens.
Symptoms of restrictive cardiomyopathy can occur at any age and may include:
- Shortness of breath (at first with exercise; but over time it occurs at rest)
- Fatigue (feeling overly tired)
- Inability to exercise
- Swelling of the legs and feet
- Weight gain
- Nausea, bloating, and poor appetite (related to fluid retention)
- Palpitations (fluttering in the chest due to abnormal heart rhythms)
Less common symptoms of restrictive cardiomyopathy:
- Fainting (usually caused by irregular heart rhythms or abnormal responses of the blood vessels during exercise)
- Chest pain or pressure (occurs usually with exercise or physical activity but can also occur with rest or after meals)
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