From: Anatomical relationship between the omohyoid muscle and the internal jugular vein on ultrasound guidance
PAST
PMST
30°
45°
60°
WOM(cm)
1.32 ± 0.42
1.41 ± 0.44
1.35 ± 0.45
1.34 ± 0.50
1.27 ± 0.53
1.36 ± 0.54
WIJV(cm)
1.35 ± 0.40*
1.39 ± 0.36
1.42 ± 0.38
1.56 ± 0.36*
1.54 ± 0.35
1.50 ± 0.41