Heart & Cardiovascular
Cardiomyopathy
About Cardiomyopathy
Cardiomyopathy is a chronic disease of the heart muscle that makes it harder for the heart to pump blood to the rest of the body. It can lead to heart failure and other complications.
Common Symptoms
- shortness of breath
- fatigue
- swelling in legs, ankles, and feet
- bloating from fluid retention
- cough
- chest pain or pressure
- dizziness or lightheadedness
- fainting
Diagnosis
Diagnosis often involves a physical exam, review of medical history, and various tests such as an electrocardiogram (ECG), echocardiogram, and chest X-ray. Blood tests, cardiac MRI, and genetic testing may also be utilized.
Causes
The causes of cardiomyopathy can vary and may include inherited genetic conditions, long-term high blood pressure, heart valve problems, or damage from a heart attack. Some cases are idiopathic, meaning no specific cause is identified.
Treatment Overview
Management strategies for cardiomyopathy aim to manage symptoms, prevent complications, and slow the progression of the disease. These may include prescribed medications, lifestyle adjustments such as dietary changes or exercise programs, and sometimes medical devices like pacemakers or defibrillators. In some cases, surgical interventions or heart transplant may be considered.
Prognosis & Outlook
The prognosis for cardiomyopathy can vary widely depending on the type, severity, and individual response to management. Early diagnosis and consistent adherence to medical advice may improve outcomes, but the condition often requires ongoing monitoring and care.
Types & Variants
Dilated Cardiomyopathy
The heart's main pumping chamber (left ventricle) becomes enlarged (dilated) and can't pump blood effectively. It's the most common type.
Hypertrophic Cardiomyopathy
The heart muscle becomes abnormally thick, which can make it harder for the heart to pump blood and may cause electrical problems.
Restrictive Cardiomyopathy
The heart muscle becomes stiff and less flexible, so it can't expand properly and fill with blood between heartbeats. This is the least common type.
Arrhythmogenic Cardiomyopathy
In this rare type, the muscle tissue in the right ventricle is replaced by fatty or fibrous tissue, leading to problems with heart rhythm.
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