👉 The echocardiogram is a diagnostic test that uses sound waves to examine the heart and lungs. It involves placing an echo machine on the chest (the "chest X-ray") and sending out high-frequency ultrasound waves into the body. The echo machine then records the waveforms of these waves, which are then translated into images that show the size and shape of organs in the chest and lungs, as well as the heart itself. The echocardiogram is used to help diagnose a variety of
