A 30-year-old female patient with rheumatoid arthritis reports pain at the medial malleolus. The medial side of the ankle is tender and seems to be swollen. How should a practitioner interpret the transverse images at the medial malleolus?

A patient with diabetes presents with right ankle pain and swelling. The practitioner is unsure of the cause and decides to perform a musculoskeletal ultrasound examination. Which of the following in the practitioner's report is the BEST statement of indication for this study?

The second finger was examined. Which of the following is shown in the image below?

A 37-year-old female with a history of rheumatoid arthritis presents for sonographic evaluation. She has been in clinical remission for six months and is considering discontinuation of her biologic agent. Sonography of the right third metacarpophalangeal joint is shown. Which of the following is the MOST accurate description regarding this image?

Which of the following statements regarding ultrasound probe care is MOST accurate?