Optimizing the Delivery of Inhaled Medication for Respiratory Patients: The Role of Valved Holding Chambers

<div>Lung deposition of inhaled medication is improved with perfect pMDI technique and with valved holding chamber. (a) Inhaler alone with perfect technique. (b) Inhaler alone with poor technique. (c) Inhaler with valved holding chamber.</div>

Canadian Respiratory Journal

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Figure 2: Optimizing the Delivery of Inhaled Medication for Respiratory Patients: The Role of Valved Holding Chambers 