Definition of Proventil MDI
A Proventil MDI, now called Proventil HFA MDI, is a release mechanism containing a prescription medication used to treat and prevent airway spasms or bronchospasms. The generic drug, albuterol sulfate, is sold under the brand names of Proventil HFA and Ventolin HFA.-
Significance
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Proventil is a beta agonist drug that stimulates the beta receptors in the airway, causing the bronchial muscles to relax and open the airway, allowing more air to get into the lungs.
Function
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A metered dose inhaler (MDI) s a device which holds a canister containing medication that when actuated, directs a fine mist generated from the canister, through the device, into the patients' lungs. MDIs are designed for actuation while the individual is taking a slow, deep breath.
Process
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The process of releasing the medication and propelling it into the lungs is accomplished by using a hydrofloroalkanes (HFA) propellant in the canister. Upon actuation, the canister is pressed down releasing a measured dose of medication.
Benefits
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The Proventil HFA MDI is used in the management of inflammatory airway disease, such as asthma and chronic obstruction pulmonary disease, allowing the lungs to work more efficiently.
Description
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Together the Proventil HFA aluminum canister and the yellow plastic release mechanism and orange dust cap are considered a Proventil HFA MDI.
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