An echocardiogram is a diagnostic test based on the use of ultrasonic techniques in the chest area. The ultrasound reaches several structures of the heart and when it bounces back the data is collected, analysed and represented through graphics. The echocardiographic analysis or ultrasound of the heart represents a histogram of the mobility of the heart muscle and is especially useful for the study of the functioning of heart valves and their pathology. Also, this diagnostic test is useful for the metal prosthesis post-op follow-up. The 2D scan allows viewing images in real time, which lets the specialists, make the calculation of volumes and areas of the valves orifices, which serves to complete medical diagnostics.