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11 Cards in this Set
- Front
- Back
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Beta-andrenergic Blockers are divided into two classes; name them
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selective and non-selective
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What is the action of selective Beta-andrenergic Blockers?
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block stimulation of beta receptors in cardiac smooth muscle
positive inotropic effects (increase contractile strength of heart) negative chronotropic effects (decrease beats per minute) |
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What is the action of nonselective Beta-andrenergic Blockers?
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produce a fall in BP without reflex tacycardia or reduction in HR, elevated plasma renins are reduced
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What are the uses for Beta-andrenergic Blockers?
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HTN, ventricular dysrhythmias and prophylaxis of angina pectoris
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What are the most common side effects of Beta-andrenergic Blockers?
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orthostatic hypotension, bradycardia, N/V/D
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What are some serious adverse reactions to Beta-andrenergic Blockers
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blood dyscrasias, bronchospasm and CHF
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What are some contraindications of Beta-andrenergic Blockers?
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heart block, congestive heart failure or cardigenic shock
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What are some assessments to be made with a patient on Beta-andrenergic Blockers?
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protein, BUN, creatinine
obtain baselines in renal/hepatic studies before beginning Tx Daily I/O, wt., signs of edema in feet and legs BP; pulse, q4h, note rate, rhythm, quality Apical pulse before administration |
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What is the therapeutic response of Beta-andrenergic Blockers?
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decrease in BP in HTN
decreased BP, edema, moist crackles in heart failure |
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What is a major nursing consideration in the use of Beta-andrenergic Blockers?
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rise slowly to sitting or standing position to minimize orthostatic hypotension
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What suffix is at the end of most Beta-andrenergic Blockers?
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-olol
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