7. Beta Blockers

what do beta blockers do?

they block beta 1 and 2 receptors to lower heart rate and blood pressure

what do beta blockers end in?

-lol

• example: metoprolol

examples of beta blockers

• metoprolol

• atenolol

• labetalol

• carvedilol

what do beta blockers decrease?

• heart rate

• blood pressure

• myocardial contractility (weaker squeeze)

beta blockers balance _____ _____ _____

oxygen supply and demand

beta blockers help prevent _____ _____ and _____ _____

angina attacks; heart attacks

why do beta blockers help with angina?

they lower the heart’s workload and oxygen demand

what must you check before and after giving a beta blocker?

blood pressure and heart rate

what resp conditions are beta blockers contradicted in?

asthma & COPD

what breathing problem can beta blockers cause?

• wheezing

• bronchospasms

• bronchoconstriction

what patients are beta blockers contraindicated in?

congestive heart failure patients

• low CO worsens symptoms

• notify provider of fluid overload symptoms

what can beta blockers mask in diabetic patient?

hypoglycemia symptoms

• fast heart rate and tremors are hidden

what is the key teaching about stopping beta blockers?

do NOT stop suddenly

• taper to avoid rebound chest pain, arrhythmias, MI

patient education for beta blockers

they can experience

• sexual dysfunction

• fatigue

• weakness

look at this pic

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