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Table 4 Ultrasound characteristics and procedure for assessing the lung

From: Lung ultrasound for the diagnosis of pneumonia in adults: a systematic review and meta-analysis

Study Ultrasound Time of procedure Area examined
Benci et al.[31] Ansaldo AU-560; 3.5 MHz convex probe Not mentioned Medio-lateral anterior and posterior intercostal imaging
Lichtenstein et al.[32] Hitachi-405; 5-MHz microconvex probe Less than 3 minutes 2A, 2 L and 2PL
Lichtenstein et al.[33] Hitachi Sumi 405, 3.5 MHz micro-convex probe Not mentioned Anterior, lateral y posterior
Lichtenstein et al.[34] Hitachi-405; 5 MHz microconvex probe Not mentioned 2A 2 L and 2P
Parlamento et al.[35] Megas CVX, Esaote Medical Systems, 3.5- to 5-MHz convex probe Not mentioned 2A, 2 L and 1P
Cortellaro et al.[21] Esaote Medical System; 3.5–5 MHz convex probe 5 min max.minutes maximum 2A, 2 L, 1P. Longitudinal and oblique scans.
Xirouchaki et al.[38] Hitachi EUB 8500, 5–9 MHz microconvex probe Not mentioned 2A 2 L and 2P
Reissig et al.[22] Not mentioned; 5 or 3.5 MHz convex probe Not mentioned Systematically all intercostal spaces anterior and posterior
Testa et al.[36] Toshiba SSA-250A,Esaote MyLab30 and an Esaote Megas CVX; 3 to 6-MHz convex probe 7 to 13 minutes 2A, 2 L and 1P
Unluer et al.[37] Mindray Biomedical Electronics Co. M7 model; 3.6-MHz microconvex probe Less than 10 minutes 2A, 1 L and 1P
  1. Area examined is referred to each hemithorax. Two zones anterior (A): superior and inferior; two lateral (L), and one or two posterior (P).