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Bronchoscopy is an invasive procedure that permits the direct examination of the larynx, trachea, and bronchi using either a flexible fiberoptic bronchoscope or a rigid metal bronchoscope.
Croup is the most common etiology for hoarseness, cough, and onset of acute stridor in febrile children.
The trillions of cells in the body require an abundant and continuous supply of oxygen to carry out their vital functions. We cannot “do without oxygen” for even a little while, as we can without food or water.