IM Board Review

A 72-year-old man with a purpuric rash

He has multiple medical problems and a new rash that appeared 2 weeks ago. Now he presents to the emergency department confused and diaphoretic....

The Clinical Picture

A 51-year-old man with nodular lesions

He presents with a 1-year history of episodic pain, swelling, and stiffness in some of the metacarpophalangeal and proximal interphalangeal joints...

The Clinical Picture

Dyspnea, arthralgias, and muscle weakness

A computed tomographic scan shows ground-glass opacities in the lower lobes of both lungs. What is the most likely cause of this patient's...