Internet of Things-Based Ultrasound-Guided Erector Spinae Plane Block Combined with Edaravone Anesthesia in Thoracoscopic Lobectomy

Figure 4

Ultrasound signs of the lungs. (a) A line; (b) B line; (c) normal; (d) mild-to-moderate interstitial edema; (e) severe interstitial edema and alveolar edema; (f) lung consolidation.

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(b)

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(f)