Which technique uses high-frequency ultrasound to assess heart chamber sizes and motion?

Echocardiography is the technique that uses high-frequency ultrasound to visualize and assess the heart's structure and function. This method is particularly effective because it can provide real-time images of the heart chambers, their sizes, and their motions as they contract and relax, which is crucial for diagnosing various heart conditions.

Utilizing sound waves, echocardiography creates detailed images that allow clinicians to evaluate the presence of abnormalities such as valve disorders, congenital heart defects, and cardiomyopathy. The ability to measure chamber sizes and motions is key not only for diagnosis but also for monitoring the effectiveness of treatments over time.

While other imaging methods such as magnetic resonance imaging, ultrasonography, and computed tomography are also used in various medical contexts, they do not focus specifically on high-frequency ultrasound to assess heart chambers in the same manner as echocardiography does.