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  Indian J Med Microbiol
 

Figure 1: (a) Midline, transverse orientation of ultrasound probe. Evaluation of trachea deep to the cricothyroid membrane. The hyperechoic structure is the air–muscosal interface, along with subsequent artifact deep to it. (b) Midline, transverse orientation of ultrasound probe. By translating the probe slightly, the thyroid (Thy) can be visualized, in this case with microcystic nodules. Under live evaluation, the esophagus can also be appreciated deep to the trachea

Figure 1: (a) Midline, transverse orientation of ultrasound probe. Evaluation of trachea deep to the cricothyroid membrane. The hyperechoic structure is the air–muscosal interface, along with subsequent artifact deep to it. (b) Midline, transverse orientation of ultrasound probe. By translating the probe slightly, the thyroid (Thy) can be visualized, in this case with microcystic nodules. Under live evaluation, the esophagus can also be appreciated deep to the trachea