Tachycardia

Phentolamine: Mechanism, Uses, Side effects

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Phentolamine is a medication classified as an alpha-adrenergic antagonist, specifically an alpha-blocker. It acts by blocking the effects of norepinephrine and other similar neurotransmitters at alpha-adrenergic receptors. Phentolamine is a non-selective alpha-blocker, meaning it blocks both alpha-1 and alpha-2 receptors. Here are key points about phentolamine: 1. Mechanism of Action Phentolamine blocks the action of … Read more

Tolazoline: Mechanism, Uses, Side effects

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Tolazoline is a medication that belongs to the class of drugs known as alpha-adrenergic blockers. It is primarily used as a vasodilator, which relaxes and widens blood vessels. This vasodilatory effect is attributed to its ability to block alpha-adrenergic receptors. Here are some key points about tolazoline: Mechanism of Action Tolazoline acts as a non-selective … Read more

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