ALS roulette.
D022561:Advanced Cardiac Life Support / Q000706:statistics & numerical data*; D001291:Attitude of Health Personnel; D004632:Emergency Medical Services / Q000592:standards*; D004634:Emergency Medical Technicians / Q000592:standards*; D006792:House Calls; D006801:Humans; D015279:Organizational Culture; D011785:Quality Assurance, Health Care; D013997:Time Factors; D028761:Withholding Treatment