MRI of shoulder post-COVID (IMAGE) Northwestern University Caption MRI image of a patient's shoulder. The red arrow points to inflammation in the joint. The COVID virus triggered rheumatoid arthritis in this patient with prolonged shoulder pain after other covid symptoms resolved. Credit Northwestern University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.