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An echocardiogram (often called an echo) is a painless ultrasound scan of your heart. It uses sound waves to create moving pictures of your heart’s size, shape, and how well it pumps blood. An echo does not use radiation and is very safe.
Key facts
Yes, echocardiograms are one of the most common heart tests performed worldwide. Millions of people have one each year.
An echo may be recommended for anyone with symptoms like chest pain, shortness of breath, palpitations, or a murmur. It is also used to monitor known heart conditions, before certain surgeries, or after a heart attack.
During an echocardiogram, a trained sonographer or doctor places a small handheld device (transducer) on your chest after applying a gel. The transducer sends sound waves that bounce off your heart and create images on a screen. The test usually takes 30 to 60 minutes.
An echocardiogram itself is not a treatment – it is a diagnostic test. The results help your doctor decide if you need any treatment for your heart condition. Treatment – if needed – may include lifestyle changes, medications, or procedures. Your doctor will discuss the results and next steps with you in plain language.
Based on echo results, your doctor might suggest lifestyle changes (like increasing physical activity or quitting smoking), prescribe medications to help your heart work better, or recommend a procedure such as valve repair or a pacemaker. Your healthcare team will explain any recommended treatments in a way that is easy to understand.
Most people do not need to change their daily routine because of having an echo. The test is brief and has no side effects. After the test, you can drive, go back to work, and do all your regular activities immediately.
Unless you have a specific heart condition that requires dietary changes, you do not need to change what you eat or drink before or after a standard echo. If you are having a stress echo, ask your doctor whether you can eat or drink coffee beforehand.
It is normal to feel a little anxious before any medical test. Remember that an echo is painless and safe. If you feel stressed, talk to your healthcare team – they can explain the process and answer your questions. Deep breathing or listening to calming music before the test may help.
An echocardiogram is a test, not a condition. There is nothing to prevent about the test itself. However, you can reduce your risk of needing an echo by maintaining a healthy heart: keep blood pressure and cholesterol in check, eat a balanced diet, stay physically active, avoid smoking, and limit alcohol.
There are no vaccines related to echocardiograms. However, staying up to date with flu and pneumonia vaccines can help prevent infections that might stress your heart.
An echo may be used as a screening test if you have a family history of certain heart conditions or if your doctor hears a murmur. Talk to your doctor about whether screening is right for you.
The outlook for most people who have an echocardiogram is excellent. The test is very safe and provides crucial information to help your doctor manage your heart health. With proper follow-up – whether that means lifestyle changes, medications, or a procedure – many heart conditions can be treated effectively, allowing you to live a full and active life.
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Always verify with your doctor
Health guidelines vary by country and region. The information in this article is based on international clinical guidelines but may not reflect the specific guidelines, medications, or practices in your country. Always discuss your health concerns with your own doctor or healthcare provider, and refer to your local national health guidelines where available.
Important notice This information is for educational purposes only. It does not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider about your specific situation. If you are experiencing a medical emergency, call your local emergency services immediately.
This article is educational and is prepared with reference to recognized health information and clinical guidance sources where available. Specific source links may vary by topic.
Last updated: July 9, 2026
Educational note: This information is for education only and is not a diagnosis.
Use it to support, not replace, advice from a licensed clinician.
If symptoms are severe, worsening, or urgent, call your local emergency number or seek emergency care.
You will be asked to remove clothing from the waist up and wear a hospital gown. You lie on your left side on an exam table. The room may be dim to help the sonographer see the images clearly. You will feel a cool gel on your chest, and the transducer will be moved gently across your chest. You may be asked to breathe slowly or hold your breath for a few seconds. The test is painless. Afterward, you can wipe off the gel and dress normally. No recovery time is needed.
If the echo shows a serious valve problem, a hole in the heart, or other structural issue, surgery may be an option. Your cardiologist and a heart surgeon will explain the risks and benefits, and help you decide what is best for you.