Podcast
Questions and Answers
What is the class of medication that salbutamol belongs to?
What is the class of medication that salbutamol belongs to?
- Sympathomimetic Bronchodilator (correct)
- Parasympathomimetic
- Cholinergic
- Sympatholytic
What is the mechanism of action of salbutamol?
What is the mechanism of action of salbutamol?
- Binds to nicotinic receptors in airway smooth muscle causing bronchodilation
- Binds to muscarinic receptors in airway smooth muscle causing bronchoconstriction
- Binds to beta 2 adrenergic receptors in airway smooth muscle causing bronchodilation (correct)
- Binds to alpha 1 adrenergic receptors in airway smooth muscle causing vasoconstriction
What is the duration of action of salbutamol?
What is the duration of action of salbutamol?
- 1-2 hours
- 6-8 hours
- 8-12 hours
- 3-6 hours (correct)
What is a contraindication for salbutamol?
What is a contraindication for salbutamol?
What is the recommended dosage of salbutamol for an adult using a metered-dose inhaler (MDI)?
What is the recommended dosage of salbutamol for an adult using a metered-dose inhaler (MDI)?
What is the primary site of action of salbutamol?
What is the primary site of action of salbutamol?
What is the maximum dose of salbutamol that can be administered to an adult using a metered-dose inhaler (MDI)?
What is the maximum dose of salbutamol that can be administered to an adult using a metered-dose inhaler (MDI)?
Which of the following is a possible indication for the use of salbutamol?
Which of the following is a possible indication for the use of salbutamol?
How often should salbutamol be administered to an adult using a metered-dose inhaler (MDI)?
How often should salbutamol be administered to an adult using a metered-dose inhaler (MDI)?
What is the difference between the administration of salbutamol via a metered-dose inhaler (MDI) and a nebulizer?
What is the difference between the administration of salbutamol via a metered-dose inhaler (MDI) and a nebulizer?
Study Notes
Salbutamol (Ventolin)
- Generic name: Salbutamol
- Trade name: Ventolin
- Class: Sympathomimetic Bronchodilator
Mechanism of Action
- Binds to beta 2 adrenergic receptors in airway smooth muscle
- Causes bronchodilation
Onset and Duration
- Onset: 5-15 minutes (inhaled)
- Duration: 3-6 hours
Indications
- Bronchospasm
Contraindications
- Hypersensitivity
- Tachydysrhythmia
Dosage and Administration
Adults
- MDI: 1 puff (100mcg/puff) every 30-60 seconds, as needed, up to a maximum of 30 puffs (3000mcg)
- Nebulizer: 5mg nebulized continuously, as needed, no maximum dose
Pediatrics
- MDI: (dose not specified)
Salbutamol (Ventolin)
- Generic name: Salbutamol
- Trade name: Ventolin
- Class: Sympathomimetic Bronchodilator
Mechanism of Action
- Binds to beta 2 adrenergic receptors in airway smooth muscle
- Causes bronchodilation
Onset and Duration
- Onset: 5-15 minutes (inhaled)
- Duration: 3-6 hours
Indications
- Bronchospasm
Contraindications
- Hypersensitivity
- Tachydysrhythmia
Dosage and Administration
Adults
- MDI: 1 puff (100mcg/puff) every 30-60 seconds, as needed, up to a maximum of 30 puffs (3000mcg)
- Nebulizer: 5mg nebulized continuously, as needed, no maximum dose
Pediatrics
- MDI: (dose not specified)
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Description
Learn about the generic name, trade name, class, mechanism of action, onset and duration, indications, and contraindications of Salbutamol, a sympathomimetic bronchodilator. Also, find out the dosage and administration details for adults.
