Table 1.

The scenarios in brief as presented for the three teams.

	Team (communication mode)	Case descriptions
Case A	Team 1 (video), Team 2 (video), Team 3 (video)	Preparatory video training session: Female, 24 years, car accident, pelvic fracture. Hypovolemia, falling blood pressure, increasing heart rate.
Case B	Team 1 (video)	Male, 54 years, acute myocardial infarction and infectious condition, cardiac arrest, advanced CPR and intubation prior to hospital arrival. Unconscious (Glascow Coma Scale 6 - 7), body tp 40 C.
Case C	Team 1 (video)	Male, 30 years, burn accident with inhalation burn, 40% skin injury, CO-intoxication. Respiratory frequency 35, SpO2 99%, disoriented, some pain.
Case D	Team 2 (audio), Team 3 (video)	Male, 27 years, fall accident, head injury, pneumothorax. At hospital arrival intubated, Glascow Coma Scale 4, elevated intracranial pressure, BP 150/100 - 200/150, HR 60 - 45
Case E	Team 2 (video), Team 3 (audio)	Female, 25 years, snowmobile accident, head injury, initially unconscious. At hospital arrival awake, but rapidly deteriorating level of consciousness, bleeding wound left forehead, unilaterally dilated pupil, left temporal epidural hematoma.