Drugs for HTN Flashcards

1
Q

Beta Adrenergic Blockers

A

HR contractility decreases; suppresses renin and aldosterone causing vasodilation

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2
Q

Beta Adrenergic Blockers do not stop abruptly because

A

Can cause rebound HTN!!

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3
Q

SELECTIVE

Beta Adrenergic Blockers

A

Act Mainly on beta1 (heart) receptors.

atenolol
metoprolol

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4
Q

atenolol
metoprolol
adverse effect

A

Bradycardia
Hypotension
Reduced contractility
Decreased AV conduction

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5
Q

NON-SELECTIVE beta-adrenergic blocker

A
Inhibit beta1 (heart) and beta2 (lung) receptors.
 bronchoconstriction 

not for diabetics or asthmatics

propanolol

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6
Q

hold beta adrenergic blockers if apical pulse

A

<60 or SBP <90!

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7
Q

beta adrenergic blockers decrease

A

heart rate and force

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8
Q

Alpha1 Blockers
Drugs that affect the Brainstem

A

Causes vasodilation
Reduced peripheral resistance
Reduced venous return to the heart

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9
Q

Alpha 1 blockers

A

Doxazosin

Terazosin

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10
Q

Doxazosin
Terazosin
side effects

A

Orthostatic hypotension
First-dose hypotension
not first line for HTN

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11
Q

Alpha/Beta Blockers

A

promotes vasodilation
reduces heart rate and contractility, suppresses renin

Carvedilol
Labetalol

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12
Q

Carvedilol
Labetalol
side effects

A

Hypotension
Bradycardia
Can exacerbate asthma

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13
Q

Centrally acting Alpha2 Agonists
Drugs that affect the Brainstem

A

Decrease HR
Decrease myocardial contractility
Decreases vascular resistance

Clonidine

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14
Q

Alpha2 Agonists
 results in

A

Reduced cardiac output
Reduced peripheral vascular resistance
Increased vasodilation

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15
Q

Clonidine

A

Dry mouth
Sedation
Rebound hypertension (if stopped abruptly)
Liver disorders

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16
Q

Calcium Channel Blockers-review

A

Promote vasodilation
Monitor for reflex tachycardia
Monitor for constipation