Harvard Heart Letter
What is a bubble study?
Ask the doctor Q. My cardiologist mentioned that he was going to do a “bubble study” during my echocardiogram. What is that? A. During an echocardiogram, a technician uses a probe that emits high-frequency sound waves (ultrasound) that “echo” off the structures of your heart. The waves, which are translated into video images visible on a monitor, can reveal in-formation about your heart’s structure and function. A bubble study gives