Electrocardiographic responses following live-fire firefighting drills
Cardiac
Active firefighting is associated with a significant increased risk of sudden cardiac death. This increased risk is presumed to eflect the combined effects of increased physical work, psychological stimulation, exposure to particulate matter, and other products of combustion, hyperthermia, and dehydration during firefighting, all of which may augment arrhythmogenic sympathetic drive and collectively serve as cardiac stressors.