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ANTIANGINAL DRUGS (Nitrates and Nitrites (ADVERSE EFFECTS (throbbing…
ANTIANGINAL DRUGS
Nitrates and Nitrites
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MECHANISM OF ACTION
Nitrates are vasodilators (dilators of blood vessels that increase their diameter) that allow blood to flow more easily
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Beta-adrenergic blockers
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MECHANISM OF ACTION
decrease blood pressure, contractility and heart rate
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Usually used in therapy with nitrates because of reduced adverse effects and increased exercise tolerance
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Calcium-channel blockers
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MECHANISM OF ACTION
block contractions, loss of muscle tone and vasodilation occur, consequently decreasing peripheral resistance
Relieves vasospasm in variant angina, thereby increasing blood flow to the heart
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