An ultrasound is a tool used to take a picture. A sonogram is the picture that the ultrasound generates. Sonography is the use of an ultrasound tool for diagnostic purposes.
Ma and Mateers Emergency Ultrasound, 4th Edition by 
Pelvic ultrasound imaging: a case-based approach by 
Ultrasound Unwrapped: a Week-By-Week Pregnancy Image Guide by 
Atlas of Human Body Ultrasound Scanning by 
ARDMS-awarded credentials document personal achievement of recognized professional standards and are widely accepted in the medical community by sonography and vascular professional organizations. However, ARDMS does not validate the day-to-day job performance of any sonography professional.
Applicants must meet prerequisites in education and clinical experience and pass ARDMS examinations, to earn one or more of the following credentials:
