adrenergics and antiadrenergics: betas 1+2 agonists and antagonists Flashcards

1
Q

What do selective beta 1 agonist do to the SA node?

A

increases sinus rate, treats bradycardia

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2
Q

What do selective beta 1 agonists do to the AV node?

A

increases AV nodal conduction, treats heart block and cardiac arrest

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3
Q

What do selective beta 1 agonists do to the atria/ventricles?

A

increases FOC and SV, treats acute heart failure

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4
Q

what do selective beta 1 agonist do to the kidneys?

A

increases renin release, treats hypotension

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5
Q

Selective beta 1 agonist: Dobutamine

A

increases Force of Contraction; used for cardiogenic shock and acute congestive heart failure

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6
Q

Non selective beta 1 agonist: Isoproterenol

A

increases force of contraction

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7
Q

what do selective beta 1 antagonists do to SA node?

A

decreases sinus rate; treats tachycardia and angina

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8
Q

what do selective beta 1 antagonists do to AV node?

A

decreases AV nodal conduction; treats arrhythmias

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9
Q

what do selective beta 1 antagonists do to the atria/ventricles?

A

decreases FOC and SV; treats post MI, chronic heart failure, angina, arrythmias

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10
Q

what do selective beta 1 antagonists do to the kidneys

A

decreases renin release, treats hypertension

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11
Q

Selective Beta 1 antagonist drugs

A

Metoprolol succinate, Atenolol, Nebivolol, Bisoprolol, Acebutolol, Betaxolol, Esmolol

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12
Q

Nebivolol and Bisoprolol selectivity

A

They stay selective even at high doses

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13
Q

what do selective beta 2 agonists do to bronchial smooth muscle?

A

relaxation and bronchodilate; treats asthma, COPD and bronchospasms

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14
Q

what do selective beta 2 agonist do to the uterine smooth muscle?

A

relaxation, prevents premature labor

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15
Q

what do selective beta 2 agonists do to the vascular smooth muscle?

A

vasodilation (insignificant)

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16
Q

what do selective beta 2 agonists do to the skeletal muscle?

A

vasodilation (insignificant)

17
Q

what do selective beta 2 agonists do to the liver?

A

glycogenolysis, gluconeogenesis

18
Q

what do selective beta 2 agonists do to the eye?

A

increase aqueous humor production

19
Q

Selective Beta 2 agonist drugs: SABA

A

albuterol and levalbuterol

20
Q

Selective Beta 2 agonist drugs: LABA

A

Formoterol, Salmeterol, Olodaterol, Arformoterol, Indacaterol

21
Q

Nonselective beta 2 agonist: metaproterenol

A

beta 2 effect for asthma, COPD, and bronchospasms

22
Q

What do beta 2 antagonist do to bronchial smooth muscle?

A

contraction and bronchoconstriction

23
Q

what do beta 2 antagonists do to uterine smooth muscle?

A

contraction

24
Q

what do beta 2 antagonists do to vascular smooth muscle?

A

vasoconstriction (insignificant)

25
what do beta 2 antagonists do to skeletal muscle?
decreases glycogenolysis; treats tremors
26
what do beta 2 antagonists do to the liver?
decrease portal venous pressure; treats hypertension and portal venous pressure
27
what do beta 2 antagonists do to the eye?
decreases aqueous humor production; treats glaucoma
28
non selective beta antagonist: Nadolol
decreases portal venous pressure, treats esophageal varices bleeding prophylaxis
29
nonselective beta antagonist: Propanolol
migraine prophylaxis, tremors, stage fright
30
non selective beta antagonists: carteolol, timolol, levobunolol, metipranolol
decrease aqueous humor
31
non selective beta antagonist: sotalol
anti arrhythmic
32
non selective beta antagonist: pindolol
general beta antagonist functions
33
Therapeutic uses for non selective beta antagonists
glaucoma, ocular hypertension, migraine prophylaxis, tremors, stage fright, hypertension, atrial fibrillation, arrhythmias, portal hypertension, esophageal varices bleeding prophylaxis
34
What does beta 3 agonist do for bladder, prostate, and urethra?
relaxation of detrusor muscle to store urine better
35
selective beta 3 agonist: Mirabegron
increases bladder capacity during storage phase
36
ADR of Mirabegron
Increase in BP and HR, may lose selectivity at high doses