The Most Discussed Question in ANS Pharmacology: How Does Norepinephrine Cause REFLEX Bradycardia?

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Why Norepinephrine Causes Reflex Bradycardia:
The norepinephrine does not have β2 activity, which tends to decrease blood pressure. So with unopposed α action, there is a marked rise in blood pressure. This rise in blood pressure, reflexively inhibits the heart, leading to bradycardia.

Dr Vipul Navadiya

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