Substance use and attitudes on professional conduct among medical students: a single-institution study.

Objective: This study sought to examine how specific substance-use behavior, including nonmedical prescription stimulant (NPS) use, among U.S. medical students correlates with their attitudes and beliefs toward professionalism.

A novel EEG artifact in the intensive care unit.

The authors describe a novel EEG artifact in two patients whose records were otherwise suppressed. The saw-toothed waveform, containing 5.5- and 11-Hz rhythms, was induced as a movement artifact by a hemoperfusion machine connected to the patient.