Term
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Definition
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Term
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Definition
- β2 agonist
- synthetic sympathomimetric
- synthetic catecholamines
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Term
Terbutaline - description |
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Definition
stimulates β2 receptors in smooth muscles of bronchial tree - activates intracellular enzyme adenyl cylase which converts ATP to c-AMP
increases c-AMP levels is assoc. w/ smooth muscle relaxation and inhibition of mediation release from mast cells --> bronchial dilation |
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Term
Terbutaline - indications |
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Definition
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Term
Terbutaline - onset and duration |
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Definition
onset - within minutes
duration - 4-6 hours |
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Term
Terbutaline - Contraindications |
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Definition
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Term
Terbutaline - adverse reactions |
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Definition
tachycardia (small amount of β1 effect)
skeletal muscle tremors - inhaled med concentrates in lungs, oral has increased dosage - more likely to cause tremors |
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Term
Terbutaline - D + A
Adults |
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Definition
0.25 mg SQ may repeat in 20-30 min
alt. route 1-2 mg in 3 cc NSS nebulized |
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Term
Terbutaline - D + A
Pediatric |
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Definition
0.01 mg/kg (max 0.25 cc) SQ - may repeat in 20-30 min |
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Term
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Definition
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Term
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Definition
longer duration than epi wehn given SQ
greater bronchodilation prop.s, less burning pain upon injection, seldom used in older adult patients (>30 y/o) |
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