There were many factors could had contributed to CA: underlying diseases, lack of appropriated respiratory supports during inter-hospital transportation, the qualifications as well as the CPR experience of healthcare worker who accompanied with patients on ambulances.
Có nhiều yếu tố góp phần: bệnh nền, hỗ trợ hô hấp không phù hợp trước chuyển, trình độ cũng như kinh nghiệm CPR của nhân viên y tế chuyển bệnh.