Fig. 1From: Effect of lung ultrasound-guided fluid deresuscitation on duration of ventilation in intensive care unit patients (CONFIDENCE): protocol for a multicentre randomised controlled trialLUS images with increasing loss of aeration. A Normally aerated lung, referred to as an A-profile. B Moderate loss of aeration leading to a B1-profile with 3 discrete B-lines. C Severe loss of aeration leading to a B2-profile with confluent B-lines. D Complete loss of aeration leading to consolidationBack to article page