part 7 Flashcards
(11 cards)
What is silent chest?
- may go from wheezing to silent
- this leads to respiratory depression
What are the quick relief/rescue medications?
- SABA’s: short acting beta agonists
- relieve acute bronchospasm
- effective within minutes and last 4 to 8 hours
What indicates poor asthma control?
frequent use of SABAs
-should be limited to less than 2 times a week
What are the quick relief rescue medications?
-Bronchodilators:
SABA and antichilinergics
-Antiinflammatory Drugs:
corticosteroids (prednisone)
What are the log term controller medications?
-Antiinflammatory:
corticosteroids: inhaled and oral (LTMAs and Anti-IgE)
-Bronchodilators:
LABAs
Methylxanthines
What is important to remeber about the bronchodilator Methylxanthines Theophylline?
- needs to be monitored closely because it has a very low therapeutic window
- report signs of toxicity: N/V, seizures, insomnia
- avoid caffeine
What is important to remeber about SABAs and LABAs?
- use with caution in pts with cardiac disorders
- can increase BP, HR, CNS stimulation, and dysrhythmias
- this medication is not the first or only drug used to treat asthma
- should be added if other controller meds do not control asthma
- do not use to treat wheezing that is getting worse
LABAs
What are MDIs and what are some problems associated with them?
- Metered dose inhalers
- poor hand eye coordination
- inspires too rapidly
- potential for overuse rather than seeking care
- use a spacer if needed
Explain a DPI?
- dry powder inhaler
- breath activated
- no coordination needed
- no spacer
- suck in like using a straw
- Disadvantages: not all drugs are available in this form and the med may clump
- must have adequate FEV
What is a nebulizer and how do you use it?
- converts drug solutions into mists
- pt must sit upright
- clean parts with warm soapy water after each use
- water and vinegar 1x/week
- replace parts 1x/month
