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Old 07-16-2010
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Originally Posted by doc_study View Post
The adrenaline and nor-adrenaline released by adrenal medula act on both alpha & beta receptors. So, beta blockers alone will be of no help. Also, the unopposed alpha receptor stimulation will cause Increased vasoconstriction, further worsening the hypertention.
So best strategy is to give an alpha blocker before giving beta blockers, in a pt of pheochromocytoma.

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Thank you,
But then why beta blockers are enough in essential hypertension?
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