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Fig. 1 | BMC Pulmonary Medicine

Fig. 1

From: Diaphragmatic ultrasonography-based rapid shallow breathing index for predicting weaning outcome during a pressure support ventilation spontaneous breathing trial

Fig. 1

Diaphragmatic excursion (DE) measurement. a B-mode diaphragmatic ultrasonography. The bright line reflects the diaphragm. b M-mode diaphragmatic ultrasonography. DE during inspiration (A) and expiration (B) can be calculated according to B–A. In this image, DE was calculated as: 13.5 − 11.7 = 1.8 cm

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