April 2017 pulmonary case of the month

No abstract available. Article truncated after the first page. History of Present Illness: A 63-year-old woman with a prior diagnosis of possible rheumatoid arthritis was referred for dyspnea with more vigorous activities in Prescott where she now lives (elevation 5367 ft.). She is receiving hydroxychloroquine 400 mg/day. Past Medical History, Social History and Family History: She has a past medical history of hypertension. She smoked about a pack per day from age 20 to 40. There is a history of colon cancer in her mother and lung cancer in a sister. Physical Examination: Vitals: BP 155/102, SpO2 93% on room air; Chest: slightly decreased breath sounds but clear; Cardiovascular: regular rhythm without murmur; Extremities: no cyanosis, clubbing or edema; The remainder of the physical examination is normal. What testing would you perform at this time? 1. Chest X-ray; 2. Pulmonary function testing; 3. Rheumatoid factor; 4. 1 and 3; 5. All of the above.