A hospital mass casualty exercise using city buses and a tent as a hybrid system for patient decontamination.

Objective: A hospital mass casualty simulation exercise testing feasibility of two city buses and a tent as a hybrid system for patient decontamination.

Design: Observational study of a single mass casualty simulation exercise involving patient decontamination SETTING: Held on May 26, 2016 at the Montreal General Hospital, a Level 1 Trauma center without a garage.

Patients, Participants: Twenty-one medical staff including nurses, doctors, and patient attendants, and 30 volunteer-simulated patients.