Fig. 3From: Monitoring the electric activity of the diaphragm during noninvasive positive pressure ventilation: a case reportEAdi during SB (a) and NPPV (b) shown for 12 s on day 1. During NPPV, EAdi decreases and respiratory rate is lower compared to SB. NPPV: Noninvasive Positive Pressure Ventilation; SB: Spontaneous breathing; EAdi: Electrical activity of the diaphragmBack to article page