NUR 220 Test 4
- Alpha- and Beta-Adrenergic Agonists and Their Indications
Answer Dobutamine (generic) Congestive heart failure Dopamine (generic) Shock Ephedrine (generic) Seasonal rhinitis; hypotensive episodes Epinephrine (Adrenalin, Adrenaclick) Shock; glaucoma; prolongs effects of regional anesthetic Norepinephrine (Levophed) Treat shock or during cardiac arrest to get sympathetic activity
- Alpha- and Beta Adrenergic Agonists actions
Answer The effects of these drug are mediated by the adrenergic receptors in target organs; heart rate increases, bronchi dilate, vasoconstriction occurs, intraocular pressure decreases, glycogenolysis occurs throughout the body
- Alpha- and BetaAdrenergic Agonists contraindications
Answer Pheochromocytoma Tachyarrhythmias or ventricular fibrillation Hypovolemia Halogenated hydrocarbon general anesthetics Caution should
- Alpha- and BetaAdrenergic Agonists adverse effects
Answer Arrhythmias, hyper- tension, palpitations, angina and dyspnea Nausea and vomiting Headache and sweating, tension and anxiety
- Alpha- and BetaAdrenergic Agonists drug-drug interactions 1 / 2
Answer Tricyclic antidepressants and MAOIs Other drugs causing hypertension Adrenergic antagonists
- Alpha- and BetaAdrenergic Agonists drugs in this class
Answer Phenylephrine (Neo-Synephrine, and others) Midodrine (generic) Clonidine (Catapres)
- Alpha- and BetaAdrenergic Agonists indications
Answer Ortho static Hypotension, constriction of topical vessels in nose, dilate pupils
- Alpha- and BetaAdrenergic Agonists contraindications/cautions
Answer Known allergy Severe hypertension or tachycardia Narrow-angle glaucoma Pregnancy Caution CVD or vasomotor spasm Thyrotoxicosis or diabetes Pregnancy
- Alpha- and BetaAdrenergic Agonists adverse effects
Answer Anxiety, restlessness, depression, fatigue, blurred vision ECG changes, arrhythmias, blood pressure changes Nausea, vomiting Decreased urinary output
- Alpha- and BetaAdrenergic Agonists drug-drug interactions
Answer MAOIs and TCAs Digoxin, beta-blockers, antipsychotics Adrenergic antagonists
- Beta-Specific Adrenergic Agonists Actions
- / 2
Answer Increase heart rate, conductivity, and contractility, bronchodilation, increase blood flow to skeletal muscles and splanchnic bed, and relaxation of uterus