bronchodilators/anti-asthmatics Flashcards
goal of bronchodilators
-dilate the airways
who are bronchodilators helpful for?
-asthma
- COPD
how are bronchodilators administered?
-oral
-inhaler
-nebulizer
xanthines
dilate the airway
xanthine prototypes
-aminophylline
-theophylline
indications for theophylline
-asthma
-chronic bronchitis
-emphysema
how is theophylline usually given?
IV because narrow therapeutic margin
theophylline contraindications
conditions exacerbated with the use of xanthines
theophylline adverse reactions
-CNS issues (restlessness, dizziness, twitching, fine tremors)
-CV: tahcy/arrhythmias
-GI: N/V/D/epigastric pain
-diuresis
-increased urinary catecholamines
-tachypenia
theophylline nursing considerations
-get baseline EKG
-levels should be between 10-20
-avoid high fate means, coffee, tea