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BIMM118<br />

Antihypertensive Drugs:Vasodilators<br />

Calcium channel blockers (= Calcium antagonists):<br />

– Inhibit calcium entry into cells of the arteries<br />

=> decreased afterload<br />

Dihydropyridines:<br />

– Target specifically L-type channels on vascular smooth muscle cells<br />

– No cardiac effects (“Vasoselective Ca ++ antagonists”)<br />

– Can cause peripheral edema<br />

• Nifedipine<br />

– Prototype<br />

• Nicardipine<br />

• Nimodipine<br />

• Nisoldipine<br />

• Amlodipine

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