Cardiomyopathy

Causes and Risks:
Cardiomyopathy can be caused by viral infections; heart attacks ; alcoholism ; long-term, severe high blood pressure ( hypertension ); or for other reasons not yet known.

Specific types of cardiomyopathy include:

Cardiomyopathy is not common but can be severely disabling or fatal. Extreme cardiomyopathy with heart failure may require a heart transplant .

Symptoms:

Additional symptoms that may occur



Signs and Tests:
Examination may reveal an irregular heartbeat , and heart sounds and breath sounds may be abnormal. There may be other signs of heart failure .

Decreased heart functioning and enlargement of the heart may show in these tests:

An ECG may show enlargement, old MI , ischemic changes, arrhythmias , or other abnormality.

A biopsy of the heart may be needed to rule out other disorders.

Lab tests may be used to rule out other disorders and to assess the condition of the heart:



Treatment:
Treatment is focused on relief of symptoms and treatment of causative disorders. Hospitalization may be required when symptoms of severe heart failure are present.

Medications to relieve the workload of the heart and stabilize the patient's condition may be indicated. Oxygen can help reduce the damaged heart muscle 's work. Rest is essential.

Prognosis:
The outcome varies. The disorder is chronic and the condition may deteriorate rapidly.

Complications:



Call Your Healthcare Provider:
Go to the emergency room or call the local emergency number (such as 911) if symptoms indicate heart failure may be present, or if chest pain is present and not relieved by rest or medication.


This is a cross-sectional view of the interior of the heart. The valves, chambers, and associated vessels are labeled.




This is an illustration of the exterior of the heart. The arteries are colored blue and represent blood that is flowing into the heart. The veins are red and indicate blood flow out from the heart. The chambers are also labeled.