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Fig. 3 | Critical Care

Fig. 3

From: Thoracic ultrasound for pleural effusion in the intensive care unit: a narrative review from diagnosis to treatment

Fig. 3

Position of the probe and the marker on the chest wall according to different methods. a Supine patient, transverse approach, probe on the posterior axillary line at the lung base/PLEFF lower limit [29,30,31, 33]. b Supine patient, transverse approach, probe on the posterior axillary line at the lung apex/PLEFF upper limit [29, 33]. c Supine patient, transverse approach, probe on the posterior axillary line at the middle point of PLEFF height [33]. d Supine patient, longitudinal approach, probe on the posterior axillary line to identify the liver on the right side, the spleen on the left side, and the diaphragm [30]. e Sitting patient, longitudinal approach, probe on the mid-scapular line on the right lung base [32]. f Sitting patient, longitudinal approach, probe on the mid-scapular line on the left lung base [32]

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