Laryngoscope instrument and its parts // How to use it // practical viva .
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A direct laryngoscopy allows visualization of the larynx. It is used during general anesthesia, surgical procedures around the larynx, and resuscitation. This tool is useful in multiple hospital settings, from the emergency department to the intensive care unit and the operating room. By visualizing the larynx, endotracheal intubation is facilitated. This is an important step for a range of patients who are unable to secure their own airway, including those with altered mental status and those who are undergoing a surgical procedure. When using direct laryngoscopy to secure a patient's airway, the physician must be well acquainted with the anatomy, indications, contraindications, preparation, equipment, proper technique, personnel, and complications of the procedure for successful endotracheal intubation.