A 4-year-old child is brought into the emergency room (ER) b…

A 4-year-old child is brought into the emergency room (ER) by her parents, who state that an abrupt high fever developed along with a severe sore throat, dysphagia with drooling, and cough. In the ER, the girl exhibits stridor, muffled voice (hot potato) without hoarseness, air hunger, and cyanosis. She also has suprasternal, substernal, and intercostal retractions, with nasal flaring, bradypnea, and dyspnea. The child is sitting upright with her chin thrust forward and her neck hyperextended in a tripod position and in the sniffing position. What condition is she likely exhibiting?