Pharmacology 1 Flashcards
Another name for adrenergic drugs
sympathomimetics
System stimulated by adrenergic drugs
sympathetic nervous system
Brand names for albuterol (4)
Ventolin HFA, Proventil HFA, ProAir HFA, Respiclick
Albuterol onset time
15 minutes
Albuterol duration
4-6 hours
Albuterol peak
30-60 minutes
Side effects of albuterol
Tachycardia, tremors, nervousness
Albuterol: Rescue or maintenance?
Rescue
Albuterol dosage (SVN)
0.5 mL of 0.5% solution or 2.5 mg TID, QID or 3 mL of 0.083% solution
Bronchoconstriction
Decrease of the lumen of the airway
3 causes of bronchoconstriction
Bronchospasm, mucosal edema, secretions
Brand name of levalbuterol
Xopenex
Xopenex onset time
15 minutes
Xopenex peak time
30-60 minutes
Xopenex duration
5-8 hours
Xopenex: Rescue or maintenance?
Rescue
When might we use Xopenex instead of albuterol?
When patient has unwanted side effects with albuterol
Standard adult dosage of Xopenex (SVN)
0.63 mg TID
Xopenex dosage MDI (metered dose inhaler)
45 mcg/puff, 2 puffs Q4-Q6
Q4
Every 4 hours
Q6
Every 6 hours
TID
Three times a day
QID
Four times a day
BID
Twice a day
Q2
Every 2 hours
Location of Beta 1 receptors
Heart
Location of Beta 2 receptors
Lungs
Location of alpha receptors
Blood vessels of the mucus membranes
What happens when alpha receptors are stimulated?
Mild bronchodilation
What happens when the beta 1 receptors are stimulated?
Tachycardia, increased cardiac output, increased contractibility.
What happens when the beta 2 receptors are stimulated?
Bronchial muscle relaxation
Which receptors are targeted by albuterol?
Beta 2
SVN
small volume nebulizer
DPI
Dry powder inhaler
MDI
Metered dose inhaler
Long acting
Maintenance
Short acting
Rescue
Albuterol drug class
Adrenergic
Xopenex drug class
Adrenergic