• Dyspnea is the sensation of not being able to satisfy air hunger.

  • The history and physical examination are essential in determining the cause of the dyspnea.

  • Pulmonary disease that causes dyspnea can be classified as obstructive, restrictive, or vascular, although there are also many non-pulmonary causes.

  • Close observation of children with acute dyspnea is essential because they can decompensate quickly.

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