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BIMM118<br />

Antihypertensive Drugs: Vasodilators<br />

• Nitroprusside<br />

– Very unstable (only iv)<br />

– Metabolized by blood vessels into NO<br />

=> activates cGMP production => vasodilation<br />

– Rapid action (30 sec !), short duration (effect ends after 3 min) => blood<br />

pressure “titration”<br />

– Used only to treat hypertensive emergencies

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