Table 3.

Monitoring.

Site	Percentage
Level alarm (always)	100
Level alarm + pump stop
Always	84.6
Never	15.4
Microbubble (always)
Microbubble + pump stop
Always	79.5
Nearly always	0
Never	20.5
Arterial line pressure	100
Arterial line pressure + pump stop
Always	79
Nearly always	4.2
Sometimes	1.4
Never	15.4
In-line arterial saturation
Always	7.1
Nearly always	0
Sometimes	13.3
Never	79.7
In-line venous saturation (always)	100
In-line hematocrit
Always	57.9
Nearly always	0
Sometimes	8.1
Never	34
In-line blood gas monitoring
Always	5.2
Nearly always	2
Sometimes	20
Never	71.5