Beta Blockers -lol

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Last updated 9:19 AM on 8/30/26
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5 Terms

1
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Drugs in class

propanolol (Inderal)

metoprolol (Lopressor)

carvedilol (Coreg)

2
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Properties/MOA

·       Blocks cardiac Beta 1 receptor

·       ↓ HR, ↓ Contractility

·       ↓ CO

·       ↓ cardiac workload

↓sympathetic response

3
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Effects/Adverse Rxn

·       Sexual dysfunction

·       Depression

·       Insomnia

·       Bizarre dreams

Suppresses reflex tachycardia

4
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Contraindications

Contraindicated in patients with late or advanced HF, asthma, and diabetes

→ non-selective β blockers cause bronchoconstriction

5
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Nursing info

·       Hold if HR <60, BP < 90, and if there is a heart block.

·       Selective β blockers can be used for pts. w/asthma

→ metoprolol

·       β blockers mask the s/sx of hypoglycemia

·       Use cautiously in pts. w/HF

ONLY for beginning stages of HF