7 Signs You Need Echocardiography Test Echocardiography is a non-invasive test that can visualize the heart by using sound waves. It is one of the most useful diagnostic tools available for diagnosis of heart conditions and related disorders. 1. Chest pain Chest pain is a very common symptom that can have several different causes. One cause of chest pain in young people is a heart condition. If you are having chest pains, your doctor will likely order an Echocardiography Test in Delhi to check for any abnormalities of the heart. An Echocardiogram may be highly indicated in patients with cardiovascular risk factors such as: high cholesterol, hypertension and diabetes.