What is an enlarged heart?
An enlarged heart is a condition that occurs when the size of the heart increases due to pressure or damage to the heart muscle, and it is often an indicator of another health problem such as high blood pressure or valve disorders.
It can be temporary or permanent depending on the cause, and it affects the heart’s ability to pump blood efficiently.
Causes of enlarged heart
The most common causes include:
- Long-term high blood pressure.
- Coronary artery disease.
- Different types of cardiomyopathy.
- Heart valve problems.
- Chronic or severe anemia.
- Pregnancy in some cases.
- Thyroid disorders.
- Fluid buildup around the heart.
Symptoms of enlarged heart

Common symptoms that patients may experience include:
- Shortness of breath at rest or during exertion.
- Swelling in the feet or ankles.
- Persistent fatigue and exhaustion.
- Heart palpitations or irregular heartbeat.
- Chest pain or pressure.
- Weight gain due to fluid retention.
- Dizziness or fainting in advanced cases.
How is an enlarged heart diagnosed?
Diagnosis is made through a clinical examination that includes assessing symptoms and reviewing medical history, then using tools such as chest X rays to detect heart size, electrocardiogram to check rhythm, and echocardiography to evaluate muscle function.
In some cases, blood tests and additional investigations may be performed to identify the underlying causes more accurately.
Treatment of enlarged heart
Several treatment options are available, including:
- Medications that help regulate blood pressure and improve heart function.
- Lifestyle changes such as reducing salt intake and engaging in physical activity.
- Rehabilitation therapy to enhance mobility and endurance.
- Surgical intervention for valve or artery problems.
- Implanting devices to regulate heart rhythm when necessary.
When should you see a doctor?
Seek medical attention immediately if you experience:
- Severe shortness of breath.
- Sudden chest pain.
- Rapid swelling in the legs or abdomen.
- Loss of consciousness or fainting.
- Strong or irregular palpitations.
- Unexplained extreme fatigue.
- Sudden weight gain within a few days.
Tips to prevent the condition
Recommended preventive measures include:
- Maintaining normal blood pressure levels.
- Eating a healthy diet low in salt and fat.
- Exercising regularly.
- Quitting smoking and alcohol.
- Scheduling regular heart check-ups.
- Managing chronic conditions such as diabetes.
- Reducing stress and mental strain as much as possible.
Frequently Asked Questions
What are the most serious complications of an enlarged heart?
It can lead to heart failure or irregular rhythms.
Does an enlarged heart cause pain?
It may cause chest pain, especially during exertion.
Can pregnancy cause an enlarged heart?
Temporary enlargement may occur during pregnancy in some cases.
Is an enlarged heart linked to obesity?
Yes, obesity increases the risk.
Summary of the article
An enlarged heart is a condition where the heart becomes bigger due to pressure or damage to the muscle, affecting its ability to pump blood properly.
It is often associated with causes like high blood pressure and valve disorders, and symptoms include shortness of breath, swelling, and palpitations. Treatment depends on the cause and may involve medications, lifestyle changes, and sometimes surgery.