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alpha1>>>alpha2. Good antihypertensive.


alpha1>alpha2, irreversible and long duration.


alpha1=alpha2, older drug and not used much anymore.


alpha2>>alpha1. Reverses a2as.

Labetalol, Carvedilol

beta1=beta2>=alpha1>alpha2. Used in heart failure.

Metoprololol, Acebutolol, Atenolol

beta1>>>beta2, mainly affects heart.

Propanolol, Timolol

beta1=beta2, don't want to antagonize beta2 (b/c stop bronchodilation) so not as useful.



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