For the present study, the Ethics Committee approval was be obtained from the Faculty of Medicine, Istanbul Science University. Written informed consent will be obtained from the parents of patients undergoing elective surgery. The study will involve ASA I or II patients under 1 month. Infants with a history of a difficult airway or diagnosed congenital syndrome, premature infants less than 37 weeks gestational age at birth, and those with acute or chronic pulmonary or neuromuscular diseases will be excluded from the study. Twenty five children undergoing elective surgery will be enrolled in the study. Infants will be randomized (using www.random.com) into two groups, the Miller and Macintosh blade groups, and whether the assigned blade is inserted above or below the epiglottis first, with allocation stored within sealed opaque envelopes until consent is obtained.