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John is 67 years old and works as a driller in the oil fields. He has a history of coronary artery disease (CAD) and has developed tachycardia.
1. What type of adrenergic blocking drug would mostly likely be recommended and why?
2. John also has a history of heavy smoking for 45 years. What concerns would the nurse have about giving him propranolol (Inderal), a non-selective β-blocker?
3. How does John’s age of 67 years influence his taking β-blockers and going into heart failure?
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