Airway Ultrasound Indices for Prediction of Difficult Laryngoscopy in Pediatric Patients

Tongue thickness, hyomental distance in neutral position (HMDRn), hyomental distance in extended position (HMDRe), ratio of hyomental distance in both positions (HMDR), thyromental distance (TMD), ratio of tongue thickness to thyromental distance (TT/TMD), epiglottis thickness \&pre-epiglottic space thickness

Mallampati grading and thyromental distance (TMD). The glottic structures displayed during laryngoscopy will be classified according to the Cormack-Lehane