@humanfact0rz @petrosoniak @julianregehr @emswami @srrezaie @docpgb @drlauraduggan @alandrummond2 @emicucanada looks good. i would modify as
1 = hiox mask + filter, compression-only cpr
2 = add airway operator and secure asap; person 1 can stop cpr and apply pads/get  ready
3 = as above with iv access/possible meds