Table 3

Sizing polyvinyl chloride double-lumen tubes [63]

Tube size (F)
Circumference (mm)
Lumen diameter (mm)
Indication

35
38.0
5.0
Pediatrics
37
40.0
5.5
Small adults
39
44.0
6.0
Medium adults, usual female size
41
45.0
6.5
Large adults, usual male size

Anantham et al. Critical Care 2005 9:594   doi:10.1186/cc3827