Sonogram is a term used to describe a type of medical imaging procedure that uses high-frequency sound waves to create images of internal organs and tissues. However, sonogram can also be referred to as ultrasound, ultrasonography or echography. These terms are all commonly used interchangeably to describe the same medical imaging technique. Additionally, sonography, diagnostic ultrasound, and medical sonography are other synonyms that can be used to describe the same imaging procedure. These terms are widely used by medical professionals and patients alike. Regardless of the term used, sonography is a vital tool in the diagnosis and treatment of a variety of medical conditions.