Table 2.

Summary of alarm conditions related to key control parameters.

Condition	User settable	Reference
		AAMI CR503:2020 [10]	ISO 80601-2 [11]
Low airway pressure	Yes	Line 267	12.4.101.2
High airway pressure	Yes (mechanical backupa)	Line 289	12.4.101.3
Continuing airway pressure	Yes	Line 312	12.4.102
Tidal volume	No	Line 321	12.4.103

^aThe high airway pressure alarm requirement also specifies that there must be a mechanical backup that prevents the airway pressure from exceeding 60 cmH₂O (1 cmH₂O is equivalent to 98.07 Pa).