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Fig. 1 | Critical Ultrasound Journal

Fig. 1

From: Ultrasound evaluation of the airway in the ED: a feasibility study

Fig. 1

a Sagittal paramedian view of the tongue from the submental area with the white dotted line representing the tongue base measurement and the red dotted line as tongue base-to-skin thickness. The patient’s face would be in the direction of the right of the screen. MH mylohyoid muscle, GH geniohyoid muscle, TS tongue surface, PAL palette. b Transverse ultrasound image at the level of the thyrohyoid membrane. The pre-epiglottic space (red line, PES) is measured from the anterior surface of the epiglottis to the anterior margin of the strap muscles (SM) midway between the hyoid bone and the thyroid cartilage. The epiglottis is indicated by the two white caliper lines showing width (dotted line #1) and thickness (dotted line #2)

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