Magnetic resonance imaging (MRI) and ultrasound. MRI scans provide much better photographs of the rotator cuff tendons and bordering comfortable tissue structures. They can clearly show fluid or inflammation in the bursa or rotator cuff. In some cases, tears while in the rotator cuff tendons are going to be witnessed. https://www.theorthopaedicandpainpractice.com/what-are-some-shoulder-pain-treatments/