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Abstract
The fundamental responsibility of an anesthesiologist is to maintain adequate gas exchange. Failure to maintain a patent airway for more than few minutes results in brain damage or death.
Over the last two decades, many new airway management devices have been developed and introduced into clinical practice.
The aim of this study is to focus on the clinical application of most of these new airway devices. The anatomy of the airway is of ultimate importance for successful mask ventilation, intubation, cricothyrotomy and regional anesthesia of the larynx. To know airway physiology is essential for appropriate airway management. Diagnosis of difficult airway depends on careful history taking, preoperative examination and investigations.