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N112 Beta Blockers

N112 - Beta-Adrenergic Blockers for mid term

QuestionAnswer
Non-selective beta 1 & beta 2
Cardio-selective blockers beta 1
Beta 1 blocks adrenergic receptors in the heart
Beta 2 blocks adrenergic receptors in bronchial & vascular smooth muscle
Beta 1 effects decreased HR & decreased CO (cardiac output)/contractility
Beta 2 effects bronchoconstriction
Common side effects lightheadedness, fatigue/weakness, hypotension, erectile dysfunction, insomnia, bradycardia
Bronchoconstriction non-selective blockers – not given to COPD patients
Beta blocker & CHF doesn’t allow heart to relax, watch for SOB, I & O, edema
Before administering monitor HR & BP parameters closely
Monitor respiratory status Potential for CHF
Contraindicated for Chronic bronchitis/asthma
Created by: jrb265
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