Fig. 4From: Characteristics of patients treated by the Danish Helicopter Emergency Medical Service from 2014-2018: a nationwide population-based studyDistribution of critical care interventions performed. ETI; endo-tracheal intubation, IO; intraosseous cannulation, ACCD; automated chest compression device, US; ultrasound examination, PD; pleural drainage (chest tube/thoracostomy)Back to article page