護理師教導病人使用定量吸入器（MDI）。哪些步驟正確？（選所有適合的）
A nurse is teaching a client on how to use an inhaler. Which steps are correct? (Select all that apply.)
- AShake the inhaler well before use✓ 正解使用前充分搖晃吸入器
- BExhale fully before inhaling✓ 正解吸氣前完全呼氣
- CInhale deeply while depressing the canister✓ 正解按壓罐體時深層吸氣
- DHold breath for 10 seconds after inhalation✓ 正解吸氣後憋氣 10 秒
- EWait 5 minutes between puffs每次噴霧之間間隔 5 分鐘
使用定量吸入器（MDI）的關鍵在於確保藥物能準確進入下呼吸道。正確步驟包含：吸入前搖勻使藥物混合均勻；完全吐氣以增加吸入後的肺部容量；同步按壓與吸氣以確保藥物隨氣流進入深處；憋氣 10 秒則能增加藥物在支氣管黏膜的沉積率。兩噴之間建議等待約 1-2 分鐘，無需等待 5 分鐘，以確保藥物能穩定進入氣道。
The key to using a metered-dose inhaler (MDI) is to ensure accurate delivery of the medication into the lower airways. Correct steps include shaking the inhaler before use so the medication is well mixed; exhaling fully to increase lung volume available for inhalation; coordinating canister actuation with inspiration to ensure the medication enters with the airflow; and breath-holding for 10 seconds to enhance deposition on the bronchial mucosa. A wait of approximately 1-2 minutes between puffs is sufficient; waiting 5 minutes is unnecessary to ensure stable delivery.