How Long Does an Echocardiogram Take? A Complete Patient Guide

An echocardiogram, often called an “echo,” is a common heart test that uses ultrasound to create detailed images of the heart. Many patients referred for this investigation ask the same question: how long does an echocardiogram take?

In most cases, a standard transthoracic echocardiogram takes 30 to 45 minutes from start to finish. This includes preparation time, the scan itself, and a brief explanation of what will happen during the test.

When you arrive, a cardiac physiologist or sonographer will ask you to remove clothing from the waist up and attach small ECG stickers to your chest. You will then lie on your side while a probe is gently moved across your chest using ultrasound gel. The probe sends sound waves that create real-time images of your heart’s structure and movement.

The test is painless, non-invasive, and does not use radiation. Most patients find it comfortable, though you may feel light pressure from the probe as images are captured. During the scan, you may be asked to change position or briefly hold your breath to improve image quality.

Some echocardiograms can take longer. For example, a stress echocardiogram or a more complex assessment of valve disease may last 45–60 minutes. Your clinician will explain this in advance if applicable.

After the test, you can return to normal activities straight away. Results may be discussed immediately or reviewed by a cardiologist and shared with you at a follow-up appointment.

An echocardiogram provides valuable information about heart function, valve health, and blood flow. If you’ve been referred for an echo, knowing what to expect can help reduce anxiety and make the experience more comfortable.