Inalação

Inalação is a Portuguese term that directly translates to "inhalation" in English. It refers to the act of drawing air or gas into the respiratory tract, typically through the nose or mouth, allowing it to reach the lungs. The process is essential for gas exchange, as oxygen is absorbed into the bloodstream and carbon dioxide is expelled. In medical settings, inalational therapy is frequently employed to deliver medications such as bronchodilators, corticosteroids, or anesthetics. Devices used include nebulizers, metered‑dose inhalers, and dry powder inhalers, each designed to produce aerosolized particles of a size suitable for alveolar deposition.

Beyond physiology and medicine, inalação also has cultural references. In Brazilian Portuguese, it can be used metaphorically to describe a strong emotional or atmospheric experience, such as the “good air” or “positive vibe” of a place. In engineering, inalacional ventilation refers to systems that supply fresh air to maintain indoor air quality, especially in industrial or institutional settings.

Understanding the mechanics of inhalation—tidal volume, inspiratory flow, and reflex control—provides insight into respiratory health, occupational safety, and public health policies. Accurate assessment of inhalation parameters is foundational for diagnosing pulmonary conditions, designing effective ventilation systems, and creating policies to reduce exposure to harmful airborne substances.