As a medical professional with expertise in cardiology, I can confirm that the terms "echocardiogram" and "echocardiography" are indeed related and often used interchangeably. However, they do have slightly different meanings:
Echocardiography is the medical practice or procedure that involves using ultrasound to examine the heart. It's a non-invasive test that uses high-frequency sound waves to create a moving picture of the heart's structure and function.
Echocardiogram, on the other hand, refers to the actual image or the report generated from the echocardiography procedure. It's the visual representation of the heart that is obtained from the ultrasound.
So, while "echocardiography" is the act of performing the ultrasound, "echocardiogram" is the result or the image itself.
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