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10 Cards in this Set
- Front
- Back
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What are the effects of SNS. Name 6.
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Vasoconstriction in most tissues
Vasodilation in skeletal muscle Increased heart rate and force of contraction Bronchodilation CNS stimulation Ejaculation |
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Name 4 direct acting sympathomimetics that are alpha agonists.
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Phenylephrine, methoxamine
clonidine, methylnorepinephrine |
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Name 2 direct acting sympathomimetics that are alpha and beta agonists.
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Noradrenaline
Adrenaline |
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Name 6 direct acting sympathomimetics that are alpha and beta agonists.
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Dobutamine
Isoproterenol Terbutaline, metaproterenol, albuterol, ritodrine |
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mucous membrane decongestants
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Phenylephrine and pseudoephidrine
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what drug would you use to cause myadriasis (muscle eye contractions )
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Phenylephrine for retinal examinations
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what drug would you use to increase rate and force of heart muscle contractions?
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Isoproterenol and Dobutamine for treatment of shock and heart failure
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what drug would you use to cause broncodilation?
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Aerosol therapy of bronchial asthma - isoproterenol (b) and terbutaline, salbutamol “ventolin” (b2 selective agonist)
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Irreversible selective alpha blockers
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Phenoxybenzamine (slighty 1 selective)
Used for treatment of hypertension and treatment of pheochromocytoma Side effects include postural hypotension and reflex tachycardia plus 2 pre-synaptic effect in the heart |
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name a non selective b blocker that has one contraindication.
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Propranolol (‘Inderal’)
Main use is to reduce tachycardia Contra indicated in asthma (2-blockade will enhance bronchoconstriction) |
