A man with a productive cough.

The clinical presentation of active tuberculosis is nonspecific. This article describes a patient whose chronic cough was eventually diagnosed as reactivation tuberculosis.

Peritoneal dialysis: An effective yet underused renal replacement therapy.

Chronic kidney disease affects more than 30 million people in the United States, creating a significant disease burden. Peritoneal dialysis, an effective yet underused method of renal replacement therapy, can provide a high quality of life, maintain a patient's residual renal function, and decrease overall healthcare costs with little negative effect on patient morbidity or mortality. Given this, knowledge of the methods, outcomes, and costs of renal replacement therapy is essential to physician assistants.