Fig. 2From: Empowering the willing: the feasibility of tele-mentored self-performed pleural ultrasound assessment for the surveillance of lung healthRepresentative still image of mentee self-performing lung ultrasound to demonstrate the pleural interface. Ultrasound Naïve participant being instructed to demonstrate the pleural interface of the visceral and parietal pleural illustrating the “Batwing” sign of Lichtenstein [20]. It should be noted that all lung ultrasound is a dynamic examination better viewed real time and in video recordings (Additional file 4) than still imagesBack to article page