Table 3.

Actions performed from diagnosis of cardiac arrest until initiation of chest compressions

	All simulations	Fastest group 13 (10; 17) s	Slowest group 93 (79; 108) s
Always necessary
Activates internal alarm	56% (n = 20)	42% (n = 5)	33% (n = 4)
Sometimes necessary
Exposes manikin’s chest	42% (n = 15)	8% (n = 1)	67% (n = 8)
Removes bed rail(s)	28% (n = 10)	17% (n = 2)	25% (n = 3)
Removes duvet	25% (n = 9)	8% (n = 1)	33% (n = 4)
Removes pillow	19% (n = 7)	0	25% (n = 3)
Attaches automated external defibrillator	3% (n = 1)	0	8% (n = 1)
Never necessary
Lowers bed	44% (n = 16)	42% (n = 5)	33% (n = 4)
Talks loudly to manikin	28% (n = 10)	17% (n = 2)	25% (n = 3)
Moves the bed	25% (n = 9)	8% (n = 1)	50% (n = 6)
Shakes manikin	22% (n = 8)	8% (n = 1)	25% (n = 3)
Calls cardiac arrest team	22% (n = 8)	25% (n = 3)	25% (n = 3)
Collects equipment	17% (n = 6)	8% (n = 1)	25% (n = 3)
Removes headboard	17% (n = 6)	8% (n = 1)	17% (n = 2)
Delegates tasks without performing other actions	14% (n = 5)	0	17% (n = 2)
Checks for breathing	14% (n = 5)	17% (n = 2)	8% (n = 1)
Leaves the room to get help	14% (n = 5)	8% (n = 1)	25% (n = 3)
Head tilt/chin lift without checking for breathing	8% (n = 3)	8% (n = 1)	17% (n = 2)
Calls doctor	8% (n = 3)	8% (n = 1)	8% (n = 1)
Gives verbal handover to colleagues without performing other actions	8% (n = 3)	8% (n = 1)	8% (n = 1)
Checks for pulse	6% (n = 2)	0	8% (n = 1)
Checks for foreign body in airways	6% (n = 2)	0	17% (n = 2)
Prepares ventilation equipment	6% (n = 2)	0	17% (n = 2)
Reads patient record	3% (n = 1)	8% (n = 1)	0
Performs bag-mask ventilation	3% (n = 1)	0	8% (n = 1)
Raises the bed	3% (n = 1)	0	8% (n = 1)

Data presented as median (Q1; Q3) or percentages (n). The fastest group included the 1/3 of simulation with the fastest time to diagnose cardiac arrest, whereas the slowest group included the 1/3 of simulation with the longest time to diagnose cardiac arrest