European journal of emergency medicine : official journal of the European Society for Emergency Medicine
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Reactive oxygen species (ROS) play an important role in many diseases and aging. Scavenging enzymes represent one of several natural defence mechanisms against ROS-induced damage. Superoxide dismutase (SOD) and catalase are enzymes that are involved in antioxidant defence. Burnout is a syndrome of emotional exhaustion, depersonalization, and reduced personal accomplishment. ⋯ No significant variations with respect to sex were detected in SOD and catalase activities and levels of burnout. Significant differences in SOD activity between the control group and workers of a prehospitalary emergency service (P<0.001) were found. SOD activity was higher in workers on night and evening shifts (P<0.001). These workers also obtained higher scores in burnout subscales, but without statistical significance.
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An intermediate ventilation/perfusion (V/Q) lung scan lacks diagnostic utility in excluding acute pulmonary embolism (PE). ⋯ The possibility of an intermediate V/Q lung scan is higher in elderly patients and in patients with previous cardiopulmonary disease (especially with chronic obstructive pulmonary disease). Emphysema is the only chest radiograph abnormality associated with a greater possibility of an intermediate V/Q lung scan.
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Case Reports
Lisfranc fracture--dislocation: an easily overlooked injury in the emergency department.
Lisfranc fracture-dislocations are rare, and their correct diagnosis is important. Misdiagnosis is common and can lead to chronic disability. Two cases of Lisfranc fracture-dislocations are presented and emphasis is made on the diagnosis in the Emergency Department.
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The outcome after chlorine exposures has been poorly described. ⋯ Exposure to chlorine tablets and liquid rarely requires hospital referral with almost all symptoms resolving within 24 h.