Today, our Quick Concepts discussion turns to understanding Density. As with so many aspects of physical science, the superficial definition does not do justice to its full value in everyday clinical application.
Most everyone ‘gets’ the raw concept. If you have ever been roped into helping a friend move, you quickly learn to avoid the boxes full of books and magazines, while searching out those packed with pillows and cushions.
However, in ultrasound imaging, you don’t have the luxury to pick and choose between ‘easy’ and ‘difficult’ scanning situations. As such, you should realize how the variations in density affect ultrasound transmission and reflection.