Discuss the three methods used to determine the appropriate size of an oropharyngeal airway.
What will be an ideal response?
The appropriate size (from flange to distal tip) of an oropharyngeal airway may be estimated based on the length in millimeters from the center of the mouth to the angle of the jaw. Alternatively, the length in millimeters from the corner of the mouth to the earlobe may be used. The third method is to measure the distance from the central incisors to the angle of the jaw. To evaluate the size using this method, place the airway next to the patient's face.
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