Sudheer Penupolu, MD
Philip J. Lyng, MD
Lewis J. Wesselius, MD
Department of Pulmonary Medicine
Mayo Clinic Arizona
Scottsdale, AZ
History of Present Illness
A 69 year old woman was seen with a three day history of nonproductive cough and shortness of breath.
PMH, SH and FH
She has a past history of atrial fibrillation and hypothyroidism.
Her present medications include:
There is a 20 pack-year smoking history but she quit in 1998. She is employed as a law school professor.
Physical Examination
Her physical examination is normal.
Chest X-ray
Her admission chest x-ray is shown in Figure 1.
An electrocardiogram showed normal sinus rhythm.
Which of the following is the most likely cause of the patient’s clinical picture?
Reference as: Penupolu S, Lyng PJ, Wesselius LJ. September 2012 pulmonary case of the month: the war on drugs. Southwest J Pulm Crit Care 2012;5:107-14. (Click here for a PDF version of the article)