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Copyright ©The Author(s) 2021.
World J Crit Care Med. Sep 9, 2021; 10(5): 204-219
Published online Sep 9, 2021. doi: 10.5492/wjccm.v10.i5.204
Figure 1
Figure 1 Endotracheal intubation. High frequency 5-10 MHz linear probe with probe marker facing toward patients’ right side, placed at base of neck midline just superior to suprasternal notch. “Bullet sign” of proper endotracheal intubation seen here, with hyperechoic air-mucosal interface and posterior shadowing.