Fig. 6
Confusion matrix of lung ultrasound in determining the position of the BBs. (A: appropriate, B: too deep, C: too shallow, D: misdirected into the contralateral side)
Fig. 6 | BMC Anesthesiology
Confusion matrix of lung ultrasound in determining the position of the BBs. (A: appropriate, B: too deep, C: too shallow, D: misdirected into the contralateral side)