Table 4 Results of the survey

Median (Q1; Q3)

How do you evaluate the aerosol release for the different respiratory devices?

(No release = 0; Maximum release = 10)

· Laryngeal Mask

9 (6; 8) * +

· Laryngeal Mask + Shower cap

3 (1; 3) + §

· Intubation

0 (0; 2) * §

How do you evaluate the Rescuers Safety for the different respiratory devices?

(1 = Safe; 2 = rather safe; 3 = rather unsafe; 4 = unsafe)

· Laryngeal Mask

3 (2; 4) * +

· Laryngeal Mask + Shower cap

2 (1; 2) §

· Intubation

1 (1; 2) §

How do you evaluate the Resuscitation Quality for the different algorithms performed?

(1 = efficient; 2 = rather efficient; 3 = rather inefficient; 4 = inefficient)

· ERC 2021

1 (1; 1) § * +

· COVID-19

· Laryngeal Mask

2 (1; 2) % $

· Laryngeal Mask + Shower cap

2 (2; 2) %

· Intubation

2 (2; 3) % §

How do you evaluate the minimization of no-flow-time for the different algorithms performed?

(1 = efficient; 2 = rather efficient; 3 = rather inefficient; 4 = inefficient)

· ERC 2021

1 (1; 1,25) § * +

· COVID-19

· Laryngeal Mask

2 (1; 2) % $

· Laryngeal Mask + Shower cap

2 (1,5; 2) %

· Intubation

2 (2; 3) % ß

How do you evaluate the optimal Rescuers Safety for the different respiratory devices?

(1 = Safe; 2 = rather safe; 3 = rather unsafe; 4 = unsafe)

· ERC 2021

3 (2; 3)* +

· COVID-19

· Laryngeal Mask

3 (2; 3) * +

· Laryngeal Mask + Shower cap

2 (1; 2) % §

· Intubation

1 (1; 2) % §