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13 Cards in this Set
- Front
- Back
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Types of antianginal agents
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-nitrates
-beta blockers -calcium channel blockers |
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What causes angina pectoris?
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When the supply of oxygen and nutrients in the blood is insufficient to meet the demands of the heart
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Types of angina
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-chronic stable angina
-unstable angina -vasospastic angina |
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Therapeutic pbjectives of antianginal agents
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-increase blood flow to
ischemic heart muscle -decrease myocardial o2 demand -prevent or delay the worst poss. outcome (MI) |
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Nitrates do what?
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Cause vasodialation due to relaxation of smooth muscles
-Dialate coronary arteries |
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Nitroglycerin is used for...
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...IV form is used for BR control in perioperative hypertension, tx of CHF, ischemic pain, and pulm. edema associated with MI
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Two common Beta Blockers
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-Lopressor
-Inderal |
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Beta Blockers Mech. of Action
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Decr. HR, resulting in decr. myocardial o2 demand and incr. o2 delivery to heart
Decr. contractility |
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Beta Blocker side effects
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bradycardia, hpyotension, 2nd or 3rd degree heart block
Altered glucose and lipid metabolism |
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Name a Calcium Channel Blocker
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Procardia
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Calcium Channel Blockers mech of action
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cause peripheral arterial vasodilation
Result: decreased myocardial o2 demand |
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Calcium Channel Blocker therapeutic uses
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-1st line agents for tx of angina, hypertension and supraventricular tachycardia
-Short term mgmt of a-fib and flutter |
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Patients taking beta blockers should...
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...monitor pulse rate daily and report any rate lower than 60 bpm
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