A 59-year-old woman with rheumatoid arthritis (RA) presented to our pulmonary clinic for progressively worsening dyspnea of five years’ duration. She described progressively worsening dyspnea after a few minutes of walking on level ground. In addition, she noted worsening pain and morning stiffness of the wrists, knees and metacarpophalangeal (MCP) joints, with subcutaneous nodules. She…
