👉 Ref fluid, also known as reference fluid or R-1234yf, is a colorless, odorless, and tasteless liquid used primarily in medical ultrasound imaging to improve the clarity and quality of images. It is typically injected intravenously into a patient's bloodstream, where it circulates and fills the spaces between tissues and organs. By enhancing the acoustic properties of these areas, ref fluid helps to create more detailed and precise images, aiding in the accurate diagnosis of various medical conditions. Its use is particularly crucial in procedures requiring high-resolution imaging, such as cardiac and vascular assessments.