Nurse, Provider, and Emergency Department Technician: Perceptions and Experiences of Violence and Aggression in the Emergency Department.

Introduction: Patient/visitor violence and aggression (V&A) in the emergency department occurs daily. Few interventions exist to decrease V&A. Research describing prevalence, severity, and perceived safety among ED clinicians is limited.

Noninvasive continuous positive airway pressure ventilation using a new helmet interface: a case-control prospective pilot study.

Objective: To evaluate the clinical efficacy of noninvasive continuous positive airway pressure ventilation (CPAP) using a new interface, constituted by a cephalic plastic helmet, in comparison with a standard facial mask.

Design And Setting: A prospective pilot study with matched-control group, in the emergency department of a teaching hospital.

Patients And Methods: Eleven consecutive adult patients with acute hypoxemic respiratory failure related to cardiogenic pulmonary edema (whether hypercapnic or not) were enrolled in the study, after failure of the initial medical treatment.