الفهرس 
Anatomy of Normal Upper AirwayOnly 14 pages are availabe for public view
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Abstract
Endotracheal intubation, using a classic laryngoscope is a well-known method, although it has its limitations and complications.
Despite the availability of a large armamentarium of airway adjuncts in difficult airway techniques, there is still room for improvement. Successful use of the video-assisted laryngoscope in a difficult airway scenario is reached by providing a better view of laryngeal structures as it transmits the view to outside the patient mouth.
As recently confirmed, we believe that the videoassisted laryngoscope deserves a prominent place in routine and difficult airway management. As it does not depend on the line-of-site technique overcoming different patient abnormalities which was previously managed by fiberoptic laryngoscopy as the usual recommended technique which is not quickly available outside the operating room or available to paramedical personnel. So videolaryngoscope offers a useful addition to the range of difficult airway devices, sharing critical information among the medical team and is also a valuable teaching-aid.
By means of providing different types of videolaryngoscope which may be stylet like, guide channels, or a video modification of traditional laryngoscope, video techniques are quickly replacing direct laryngoscopy in many practices, especially when teaching novices or when intubation is anticipated to be difficult. It is likely that video techniques will continue to evolve, and that video capability will become available routinely as a first alternative to direct laryngoscopy. Video laryngoscopy already has become our technique of choice for anticipated difficult intubations.
Although there are some limitations in using videolaryngoscopes such as difficulty in instrument insertion, difficulty in passing the ETT, and also problems such as perforation of the palatopharyngeal arch, palaoglossal arch, and the soft palate which can be explained by that the monitor in videolarengoscopy may attract the operator’s visual attention from the mouth of the patient increasing the possibility of patient injury, we can still consider that intubation using videolaryngoscope is more easier, faster, efficient, and less injuries to the patient than using direct laryngoscope.
Finally we can say that the videolaryngoscope is one major technological
advancement in anesthesia practice.