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USMLE Pharmacology > Sympathetic antagonists > Flashcards

Sympathetic antagonists Flashcards

1
Q

Non-selective alpha blockers

A

Phenoxybenzamine (irreversible)

Phentolamine (reversible)

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2
Q

a1 selective antagonists

A

Prazosin
Terazosin
Doxazosin
Tamsulosin

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3
Q

a2 selective antagonists

A

Mirtazapine

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4
Q

Phenoxybenzamine

A

Irreversible non-selective alpha antagonist

Given before surgery on pheochromocytomas to prevent catecholamine-induced hypertensive crisis

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5
Q

Phentolamine

A

Reversible non-selective alpha antagonist

Given to patients on MAOIs who eat foods with tyramine

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6
Q

Prazosin
Terazosin
Doxazosin
Tamsulosin

A

Treats urinary symptoms of BPH
PTSD - prazosin
Hypertension - all except tamsulosin

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7
Q

Mirtazapine

A

a2 selective antagonist

antidepressant

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USMLE Pharmacology (4 decks)

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